記述言語：英語   掲載種別：研究論文（学術雑誌）  

AIM: Cervical ripening is commonly performed before oxytocin administration during labor induction in pregnant women with an unfavorable cervix. In Japan, a controlled-release Dinoprostone vaginal insert (CR-DVI) was approved in 2020. Although many studies have compared the mechanical methods of ripening and prostaglandins, few have examined the impact of additional options for labor induction. This study aimed to assess the impact of CR-DVI as an additional option for labor induction in women with an unfavorable cervix. METHODS: In this single-center retrospective study conducted in Japan, 265 participants were divided into two groups: before (January 2018 to May 2020) and after (June 2020 to November 2022) CR-DVI introduction. Before CR-DVI was introduced, hygroscopic dilators were used for all cases instead. On the other hand, after the introduction of CR-DVI, the first choice for cervical ripening was CR-DVI. The CR-DVI was retained vaginally for up to 12 hours after insertion. However, if hyper-stimulation or non-reassuring fetal status was suspected, or if a new membrane rupture occurred, it was removed immediately according to the removal criteria. Oxytocin infusions were used during both periods if needed. We compared delivery and neonatal outcomes between the groups. RESULTS: The 265 participants were divided into two groups: before (n=116) and after (n=149) CR-DVI introduction. There were no significant differences in maternal characteristics except for the primiparous proportion. CR-DVI was used in 93% of cases after introduction. Hygroscopic dilators also continued to be used; however, their use decreased to about 34%. The vaginal delivery rate was significantly higher after the introduction of CR-DVI than before its introduction (50.9% vs. 66.4%; p=0.01). Multivariable analysis revealed a significantly higher rate of vaginal delivery after CR-DVI introduction. Of the 149 cases in which a CR-DVI was used, 111 (79.9%) were removed before 12 hours. There were no significant differences in neonatal outcomes. CONCLUSION: The rate of vaginal delivery was higher after CR-DVI introduction than before its introduction, and adverse pregnancy outcomes did not increase. Therefore, introducing CR-DVI as an option for labor induction may increase the probability of vaginal delivery. Safety can also be ensured by adhering to the removal criteria.

DOI： 10.7759/cureus.53180

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記述言語：英語  

Vitamin K deficiency can cause coagulopathy; therefore, supplementation is recommended to prevent intracranial hemorrhage in newborns. Some reports have shown that maternal vitamin K deficiency is associated with intracranial hemorrhage in the fetus. However, no clear guidelines exist for the diagnosis and treatment of maternal vitamin K deficiency to prevent fetal intracranial hemorrhage. We report a case of intrauterine fetal death due to intracranial hemorrhage associated with maternal vitamin K deficiency resulting from hyperemesis gravidarum. In this case, maternal protein induced by vitamin K absence II (PIVKA-II) was high at the time of intrauterine fetal death. Therefore, measuring maternal PIVKA-II levels in high-risk cases may help determine the timing of therapeutic interventions for vitamin K deficiency during pregnancy.

DOI： 10.1016/j.crwh.2023.e00566

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記述言語：日本語   出版者・発行元：(公社)神奈川県医師会  

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記述言語：日本語   出版者・発行元：(公社)神奈川県医師会  

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記述言語：英語  

In a cervico-isthmic pregnancy, the risk of placenta accreta increases with advancing gestational age. Previous reports have detailed cases that required hysterectomy at delivery or artificial abortion at an early gestational age. However, to the best of our knowledge, there have been no previous reports on the management of a cervico-isthmic pregnancy with fetal death during the second trimester. A 33-year-old primigravid woman was diagnosed with a cervico-isthmic pregnancy and fetal death at 15 weeks of gestation. Placenta accreta was suspected; hence, we chose expectant management and to observe the patient for placental tissue regression. After 5 weeks of expectant management, the ultrasonographic findings suggested remission of placenta accreta. Therefore, we performed a cesarean delivery and terminated the pregnancy. All uterine contents were removed, and the uterus was preserved. In cervico-isthmic pregnancy cases with fetal death, as in the current case, the possibility of fertility preservation could be increased by observing for placental tissue regression through expectant management.

DOI： 10.1016/j.crwh.2023.e00501

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

INTRODUCTION: To verify the effectiveness of intervention in early pregnancy for women with early-onset gestational diabetes mellitus (GDM). RESEARCH DESIGN AND METHODS: This study included women with a singleton pregnancy who were diagnosed with early-onset GDM by 20 weeks of gestation according to the International Association of Diabetes and Pregnancy Study Group (IADPSG) threshold. We retrospectively evaluated the pregnancy outcomes in pregnant women with early-onset GDM. In the treatment from early pregnancy group (n=286), patients were diagnosed with early-onset GDM at the Yokohama City University Medical Center (YCU-MC) in 2015-2017 and were treated for GDM from early pregnancy. Concerning the treatment from mid-pregnancy group (n=248), participants were diagnosed with early-onset GDM at five sites, including the YCU-MC in 2018-2019, and were followed up without treatment until the second 75 g oral glucose tolerance test (OGTT) at 24-28 weeks of gestation. Treatment for GDM was given only if the GDM pattern was still present in the second OGTT. RESULTS: There were no significant differences in maternal backgrounds, including GDM risk factors and gestational weight gain, between the groups. Among the treatment from mid-pregnancy group, the false-positive early GDM was 124/248 (50%). Regarding pregnancy outcome, the rate of large for gestational age (LGA) was 8.8% in the treatment from early pregnancy group and 10% in the treatment from mid-pregnancy group, with no significant difference, whereas small for gestational age (SGA) was significantly higher in the treatment from early pregnancy group (9.4%) than in the treatment from mid-pregnancy group (4.8%) (p=0.046). There were no significant differences in maternal adverse events and neonatal outcomes between the groups. In a subanalysis limited to body mass index >25 kg/m2, LGA was significantly lower in the treatment from early pregnancy group than in the treatment from mid-pregnancy group. CONCLUSIONS: The strategy for diagnosing GDM by IADPSG thresholds in early pregnancy and providing treatment to all patients from early pregnancy did not improve the pregnancy outcomes, but rather increased the SGA rate.

DOI： 10.1136/bmjdrc-2022-003230

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記述言語：日本語   出版者・発行元：(一社)日本周産期・新生児医学会  

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記述言語：日本語   出版者・発行元：(一社)日本周産期・新生児医学会  

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記述言語：日本語   出版者・発行元：(一社)日本周産期・新生児医学会  

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記述言語：日本語   出版者・発行元：(一社)日本周産期・新生児医学会  

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記述言語：日本語   出版者・発行元：(一社)日本周産期・新生児医学会  

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記述言語：日本語   出版者・発行元：(公社)日本産科婦人科学会  

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記述言語：日本語   出版者・発行元：(公社)日本産科婦人科学会  

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記述言語：日本語   出版者・発行元：(公社)神奈川県医師会  

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記述言語：英語  

Lobular endocervical glandular hyperplasia (LEGH) is characterized by clinically profuse and watery vaginal discharge. In pregnancy with LEGH, with watery fluid leakage persisting throughout pregnancy, it is often difficult to visually diagnose PROM. Adding to this difficulty, auxiliary diagnostic tests might also show positive results, complicating treatment and management.

DOI： 10.1002/ccr3.6630

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記述言語：日本語   出版者・発行元：(一社)日本糖尿病・妊娠学会  

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記述言語：日本語   出版者・発行元：(一社)日本糖尿病・妊娠学会  

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記述言語：日本語   出版者・発行元：(一社)関東連合産科婦人科学会  

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記述言語：日本語   出版者・発行元：(一社)関東連合産科婦人科学会  

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記述言語：日本語   出版者・発行元：(一社)関東連合産科婦人科学会  

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記述言語：日本語   出版者・発行元：神奈川産科婦人科学会  

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記述言語：日本語   出版者・発行元：神奈川産科婦人科学会  

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記述言語：日本語   出版者・発行元：神奈川産科婦人科学会  

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

To investigate the relationships between communicative and critical health literacy (CCHL) and anxiety and depressive symptoms (ADs) in pregnant women during the coronavirus disease 2019 (COVID-19) pandemic. A cross-sectional study was conducted and 5466 pregnant women responded in Japan in September 2020. A Kessler 6 scale (K6) score ≥ 10, an Edinburgh Postnatal Depression Scale (EPDS) score ≥ 13, and four CCHL groups were analyzed using a logistic regression model and trend test. The proportions of pregnant women with a K6 score ≥ 10 and EPDS score ≥ 13 were 13.5 and 15.4%, respectively. In comparisons with the low CCHL group, the adjusted odds ratio (95% CI) for anxiety symptoms was 0.770 (0.604-0.982) in the high CCHL group, while those for depressive symptoms were 0.777 (0.639-0.946), 0.665 (0.537-0.824), and 0.666 (0.529-0.838) in the lower, higher, and high CCHL groups (all p < 0.05), respectively, after adjustments for potential confounding factors, such as age, weeks of gestation, complications, history, number of children, marital status, education, employment, and income. Higher CCHL was associated with significantly lower adjusted odds ratios for anxiety (p for trend = 0.019) and depressive symptoms (p for trend < 0.001). These results suggest a relationship between CCHL and ADs in pregnant women during the COVID-19 pandemic.

DOI： 10.1038/s41598-022-18405-3

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掲載種別：研究論文（学術雑誌）   出版者・発行元：Springer Science and Business Media LLC  

Abstract

Background

To investigate whether false-positive early gestational diabetes mellitus (GDM) women can be managed similarly as normal glucose tolerance (NGT) women.

Methods

This retrospective study was conducted at a tertiary care center in Japan. Pregnancy and neonatal outcomes of 67 singleton pregnancies with false-positive early GDM and 1774 singleton pregnancies with NGT who delivered after 22 weeks of gestation were compared. GDM was diagnosed according to the International Association of Diabetes and Pregnancy Study Groups (IADPSG) criteria (patients having one or more of the following: fasting plasma glucose ≥ 92 mg/dL and a 75 g oral glucose tolerance test (OGTT) value ≥ 180 mg/dL at 1 h, or ≥ 153 mg/dL at 2 h). Pregnant women diagnosed with GDM in early pregnancy who did not meet the diagnostic criteria on the second OGTT were defined as having false-positive early GDM. Women with false-positive early GDM did not receive any therapeutic intervention during gestation.

Results

Maternal age, pre-pregnancy body mass index, and gestational weight gain were significantly higher in the false-positive GDM group than in the NGT group. No significant differences were found in pregnancy outcomes, including gestational age, birth weight, large for gestational age rate, and cesarean delivery rate. Except for a higher neonatal hypoglycemia rate in the false-positive early GDM group, no significant differences were found in neonatal outcomes.

Conclusions

There were no clinically significant differences between early GDM false-positive women exhibiting GDM patterns only during early pregnancy and NGT women. False-positive early GDM women can be managed similarly as NGT women, suggesting that World Health Organization diagnostic guidelines, applying the IADPSG criteria during early pregnancy, need revision.

DOI： 10.1186/s12902-022-01124-1

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その他リンク： https://link.springer.com/article/10.1186/s12902-022-01124-1/fulltext.html

記述言語：英語   掲載種別：研究論文（学術雑誌）  

BACKGROUND: To investigate whether false-positive early gestational diabetes mellitus (GDM) women can be managed similarly as normal glucose tolerance (NGT) women. METHODS: This retrospective study was conducted at a tertiary care center in Japan. Pregnancy and neonatal outcomes of 67 singleton pregnancies with false-positive early GDM and 1774 singleton pregnancies with NGT who delivered after 22 weeks of gestation were compared. GDM was diagnosed according to the International Association of Diabetes and Pregnancy Study Groups (IADPSG) criteria (patients having one or more of the following: fasting plasma glucose ≥ 92 mg/dL and a 75 g oral glucose tolerance test (OGTT) value ≥ 180 mg/dL at 1 h, or ≥ 153 mg/dL at 2 h). Pregnant women diagnosed with GDM in early pregnancy who did not meet the diagnostic criteria on the second OGTT were defined as having false-positive early GDM. Women with false-positive early GDM did not receive any therapeutic intervention during gestation. RESULTS: Maternal age, pre-pregnancy body mass index, and gestational weight gain were significantly higher in the false-positive GDM group than in the NGT group. No significant differences were found in pregnancy outcomes, including gestational age, birth weight, large for gestational age rate, and cesarean delivery rate. Except for a higher neonatal hypoglycemia rate in the false-positive early GDM group, no significant differences were found in neonatal outcomes. CONCLUSIONS: There were no clinically significant differences between early GDM false-positive women exhibiting GDM patterns only during early pregnancy and NGT women. False-positive early GDM women can be managed similarly as NGT women, suggesting that World Health Organization diagnostic guidelines, applying the IADPSG criteria during early pregnancy, need revision.

DOI： 10.1186/s12902-022-01124-1

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記述言語：日本語   出版者・発行元：(公社)神奈川県医師会  

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記述言語：日本語   出版者・発行元：(一社)日本周産期・新生児医学会  

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記述言語：日本語   出版者・発行元：(一社)日本遺伝カウンセリング学会  

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

AIM: To investigate how an extremely prolonged second stage of labor of 12 h or more affects maternal and neonatal outcomes. MATERIAL AND METHODS: This retrospective cohort study included nulliparous, pregnant women with 37 + 0 to 41 + 6 weeks of gestation whom vaginal delivery was attempted at the Yokohama City University Medical Center between 2014 and 2018. RESULTS: In 446 cases of the prolonged second stage of labor, there were 296 women (66%) in the 2- to 6-h second stage of labor group, 112 women (25%) in the 6- to 12-h group, and 38 women (8.5%) in the 12-h or longer group. The longer the second stage of labor, the more significant was the increase in the rates of augmentation of the delivery, emergency cesarean delivery, and operative vaginal delivery. Even in the 12 h or longer group, 82% were able to have vaginal delivery. The 6- to 12-h group had a significant increase in third- or fourth-degree perineal lacerations compared to the 2- to 6-h group (aOR 8.12 [95% CI 1.55-42.6]). Clinical chorioamnionitis was significantly increased in the 12 h or longer group (aOR 4.88 [95% CI 1.62-14.8]). In terms of neonatal outcomes, comparison between the three groups showed no significant difference. CONCLUSION: With an extremely prolonged second stage of labor, maternal complications involved a significant increase in severe perineal lacerations and chorioamnionitis; however, there was no increase in adverse outcomes for neonates. It was not possible to conclusively determine if the duration of the second stage is acceptable.

DOI： 10.1111/jog.15212

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記述言語：日本語   出版者・発行元：(一社)日本周産期・新生児医学会  

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記述言語：日本語   出版者・発行元：(一社)関東連合産科婦人科学会  

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記述言語：日本語   出版者・発行元：(公社)日本産科婦人科学会  

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記述言語：日本語   出版者・発行元：(公社)日本産科婦人科学会  

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記述言語：日本語   出版者・発行元：(公社)日本産科婦人科学会  

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記述言語：日本語   出版者・発行元：(公社)日本産科婦人科学会  

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記述言語：日本語   出版者・発行元：神奈川産科婦人科学会  

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記述言語：日本語   出版者・発行元：(公社)日本産科婦人科学会  

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記述言語：日本語   出版者・発行元：神奈川産科婦人科学会  

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記述言語：日本語   出版者・発行元：(公社)日本産科婦人科学会  

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記述言語：日本語   出版者・発行元：(公社)日本産科婦人科学会  

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記述言語：日本語   出版者・発行元：(公社)神奈川県医師会  

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記述言語：日本語   出版者・発行元：(公社)神奈川県医師会  

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

This study investigated the implementation status, attitudes, and practices regarding maternal pertussis vaccination in delivery facilities in Kanagawa, Japan. We conducted a questionnaire survey of pertussis vaccination during pregnancy at 125 delivery service facilities, excluding midwifery clinics, in Kanagawa Prefecture from June 18 to July 20, 2020. The questionnaire comprised multiple-choice items, with single or multiple answers depending on the question. Of the 125 facilities surveyed, valid responses were obtained from 72 facilities (58%). There were 41 primary clinics with birthing facilities (57%), 16 general hospitals (not designated perinatal centers) (22%), 10 regional perinatal centers (14%), and five tertiary perinatal centers (7%). None of the facilities administered pertussis vaccination during pregnancy. Forty facilities (56%) reported knowledge of the severity of neonatal and infant pertussis infections. Twenty-three facilities (32%) reported knowledge of the prevention of pertussis infection by vaccination during pregnancy. All facilities reported willingness to consider vaccination if included in the Japanese guidelines. In Japan, the pertussis vaccination during pregnancy is not highly practiced by obstetricians; thus, it is not as popular as in other countries. Further studies are needed to promote strategies to prevent pertussis infection in the neonatal and infant periods.

DOI： 10.1080/21645515.2021.1958609

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記述言語：日本語   出版者・発行元：神奈川産科婦人科学会  

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

AIM: The aim of this study was to clarify the physical and mental burden of the COIVD-19 pandemic on obstetricians and gynecologists in Japan and to identify factors that increase the burden of their psychological stress. METHODS: A web-based questionnaire was sent to obstetricians and gynecologists in Japan via email and social media to collect voluntary responses. This survey was conducted from September 1 to 30, 2020. RESULTS: A total of 852 valid responses were included in the analysis; 76% (644) of the physicians felt that the COVID-19 pandemic caused them physical and mental stress equal to or greater than the most severe disaster they had ever experienced. Physicians who reported high mental and physical stress were more likely to be in areas with high numbers of infected patients (odds ratio (OR) 1.571, p = 0.012). Physicians experienced great stress to the point of wearing heavy personal protective equipment during routine vaginal deliveries by mothers with no COVID-19 symptoms. This trend was markedly pronounced for physicians working in regions with fewer cases of COVID-19 infection. CONCLUSIONS: Obstetricians and gynecologists who reported high mental and physical stress were more likely to be in areas with high numbers of infected patients. One potential reason for this may be that they were required to wear more personal protective equipment than necessary. Infection control methods that ensure the safety of obstetricians and gynecologists while not causing unnecessary physical or psychological stress are needed.

DOI： 10.1111/jog.14878

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

AIM: To evaluate psychological stress among pregnant and puerperal women in Japan during the coronavirus disease 2019 (COVID-19) pandemic. METHODS: In this cross-sectional study, we recruited pregnant women and puerperal women who delivered between January and September 2020 in Japan, using an online questionnaire. Participants were divided into low, middle, and high groups according to the degree of the epidemic in their region of residence. Related factors were analyzed using the chi-squared test. The relationship between COVID-19 epidemic regions and depression risks and anxiety using the Edinburgh Postnatal Depression Scale (EPDS) and Kessler 6 scale (K6) was evaluated using a univariate and multivariable logistic regression model. RESULTS: Overall, 7775 cases, including 4798 pregnant and 2977 puerperal women, were analyzed. The prevalence of high EPDS and K6 scores was significantly increased in pregnant women in the high than those in the low epidemic regions (EPDS: adjusted odds ratio [aOR] 1.453, 95% confidence interval [CI] 1.205-1.753; K6: aOR 1.601, 95% CI 1.338-1.918). There was no difference in EPDS score, but the prevalence of high K6 scores was significantly increased in puerperal women in the high than those in the low epidemic regions (aOR 1.342, 95% CI 1.066-1.690). Further, restriction on going to their hometown for delivery increased the prevalence of high EPDS scores among pregnant (aOR 1.663, 95% CI 1.296-2.133) and puerperal women (aOR 1.604, 95% CI 1.006-2.557). CONCLUSIONS: Decreased support due to the COVID-19 pandemic affected the psychological status of pregnant and puerperal women; hence, investing medical resources in their healthcare essential.

DOI： 10.1111/jog.14877

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掲載種別：研究論文（学術雑誌）   出版者・発行元：Public Library of Science (PLoS)  

In 2009, the United States Institute of Medicine (IOM) reported the optimal gestational weight gain (GWG) during twin pregnancy based on the pre-pregnancy body mass index (BMI). However, there are ethnic variations in the relationship between GWG and pregnancy outcomes. We aimed to establish the criteria for optimal GWG during twin pregnancy in Japan. The study included cases of dichorionic diamniotic twin pregnancy registered in the Japan Society of Obstetrics and Gynecology Successive Pregnancy Birth Registry System between 2013 and 2017. We analyzed data for cases wherein both babies were appropriate for gestational age and delivered at term. Cases were classified into four groups based on the pre-pregnancy BMI: underweight (BMI &lt;18.5 kg/m²), normal weight (18.5 kg/m² ≤BMI&lt; 25.0 kg/m²), overweight (25.0 kg/m² ≤BMI&lt; 30.0 kg/m²), and obese (BMI ≥30.0 kg/m²) and we calculated the 25^th–75^th percentile range for GWG for the cases. The 3,936 cases were included. The GWG ranges were 11.5–16.5 kg, 10.3–16.0 kg, 6.9–14.7 kg, and 2.2–11.7 kg in the underweight, normal weight, overweight, and obese groups, respectively. Thus, in the current study, the optimal GWG during twin pregnancy was lower than that specified by the IOM criteria. Factoring this in maternal management may improve the outcomes of twin pregnancies in Japan.

DOI： 10.1371/journal.pone.0253596

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記述言語：日本語   出版者・発行元：(公社)神奈川県医師会  

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

AIM: This study aimed to clarify how the COVID-19 pandemic impacts psychological stress levels in postpartum women in Yokohama, Japan. METHODS: We retrospectively compared the rates of positive screening tests for postpartum depression (Edinburgh Postnatal Depression Scale score of 9 or more or self-injury factors) and liaison/psychiatric intervention rates between pre-pandemic and pandemic groups of postpartum women who delivered a live birth at our tertiary perinatal center in Yokohama, Japan between January 2019 and May 2020. Those whose postpartum health screening was performed in 2019 (March-June 2019) were considered the pre-pandemic group, and those whose screening was performed between March and June 2020 were considered the pandemic group. Adjustments were made for maternal background, pregnancy, and delivery outcomes, including a history of psychiatric disorders, complications, preterm delivery, NICU admission, and maternal postpartum complications, and the data were analyzed using a logistic regression analysis. RESULTS: Postpartum health screenings were performed on 339 women before the pandemic and 279 women during the pandemic. Positive screening rates for postpartum depression did not change before and during the pandemic (adjusted odds ratio 1.48, 95% confidence interval 0.885-2.46). CONCLUSIONS: There was no apparent increase in maternal psychological stress due to the COVID-19 pandemic in Yokohama, Japan. Postpartum women responded differently in settings with varied levels of disease severity and social restrictions.

DOI： 10.1111/jog.14776

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記述言語：日本語   出版者・発行元：(一社)日本周産期・新生児医学会  

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

BACKGROUND: Child abuse and postnatal depression are two public health problems that often co-occur, with rates of childhood maltreatment highest during the first year of life. Internet-based behavioural activation (iBA) therapy has demonstrated its efficacy for improving postnatal depression. No study has examined whether the iBA program is also effective at preventing child abuse. This study aims to investigate whether iBA improves depressive symptoms among mothers and prevents abusive behaviours towards children in postpartum mothers in a randomized controlled trial, stratifying on depressive mood status. The study also evaluates the implementation aspects of the program, including how users, medical providers, and managers perceive the program in terms of acceptability, appropriateness, feasibility, and harm done. METHODS: The study is a non-blinded, stratified randomized controlled trial. Based on cut-off scores validated on Japanese mothers, participants will be stratified to either a low Edinburgh Postnatal Depression Scale (EPDS) group, (EPDS 0-8 points) or a high EPDS group (EPDS ≥9 points). A total of 390 postnatal women, 20 years or older, who have given birth within 10 weeks and have regular internet-access will be recruited at two hospitals. Participants will be randomly assigned to either treatment, with treatment as usual (TAU) or through intervention groups. The TAU group receives 12 weekly iBA sessions with online assignments and feedback from trained therapists. Co-primary outcomes are maternal depressive symptoms (EPDS) and psychological aggression toward children (Conflict Tactic Scale 1) at the 24-week follow-up survey. Secondary outcomes include maternal depressive symptoms, parental stress, bonding relationship, quality of life, maternal health care use, and paediatric outcomes such as physical development, preventive care attendance, and health care use. The study will also investigate the implementation outcomes of the program. DISCUSSION: The study investigates the effectiveness of the iBA program for maternal depressive symptoms and psychological aggression toward children, as well as implementation outcomes, in a randomized-controlled trial. The iBA may be a potential strategy for improving maternal postnatal depression and preventing child abuse. TRIAL REGISTRATION: The study protocol (issue date: 2019-Mar-01, original version 2019005NI-00) was registered at the UMIN Clinical Trial Registry (UMIN-CTR: ID UMIN 000036864 ).

DOI： 10.1186/s12884-021-03767-9

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記述言語：英語  

In pregnant patients with a divided uterine cavity, the decidual tissue on the nonpregnant side may be discharged prior to the delivery of the fetus. The pregnancy can continue if the uterine contractions and vaginal bleeding are controlled and the fetus is not in distress.

DOI： 10.1002/ccr3.4042

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掲載種別：研究論文（学術雑誌）   出版者・発行元：Wiley  

DOI： 10.1111/jog.14776

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その他リンク： https://onlinelibrary.wiley.com/doi/full-xml/10.1111/jog.14776

記述言語：日本語   出版者・発行元：(公社)日本産科婦人科学会  

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記述言語：日本語   出版者・発行元：神奈川産科婦人科学会  

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

AIMS: To investigate whether the Institute of Medicine (IOM) guidelines for optimal gestational weight gain (GWG) in twin pregnancies are applicable to Japanese women. METHODS: This was a retrospective study involving women who delivered full-term twins at our tertiary center diagnosed with a normal prepregnancy body mass index. The women were divided into two groups, according to the optimal GWG recommended by the IOM (16.8-24.5 kg): the adequate GWG (AGWG) group with GWG meeting the guidelines and the low GWG (LGWG) group with GWG below the guidelines. Next, the women were divided into two groups according to birthweight: a group with both twins born appropriate for gestational age (AGA group) and a group with one or both twins born small for gestational age (SGA group). Their GWG as well as their pregnancy outcomes were compared. RESULTS: A total of 265 women were included. The AGWG group had a significantly higher proportion of hypertensive disorders of pregnancy than the LGWG group. There was no significant difference in the proportion of women with both twins born AGA or the rate of admission to the neonatal intensive care unit. Meanwhile, the median GWG in the AGA group was 13.6 kg, which was significantly higher than 12.0 kg in the SGA group. And even the median GWG in the AGA group was below the lower limit of the IOM guidelines. CONCLUSION: The optimal GWG for Japanese women with twin pregnancies may be below the IOM guidelines.

DOI： 10.1111/jog.14529

PubMed

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記述言語：日本語   出版者・発行元：神奈川県医師会  

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掲載種別：研究論文（学術雑誌）   出版者・発行元：Wiley  

DOI： 10.1111/jog.14529

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その他リンク： https://onlinelibrary.wiley.com/doi/full-xml/10.1111/jog.14529

記述言語：英語  

Because the anterior lower uterine segment is stretched, the incarcerated gravid uterus case with a history of cesarean section is a good candidate for manual reduction.

DOI： 10.1002/ccr3.3524

PubMed

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

In 2009, the United States Institute of Medicine (IOM) reported the optimal gestational weight gain (GWG) during twin pregnancy based on the pre-pregnancy body mass index (BMI). However, there are ethnic variations in the relationship between GWG and pregnancy outcomes. We aimed to establish the criteria for optimal GWG during twin pregnancy in Japan. The study included cases of dichorionic diamniotic twin pregnancy registered in the Japan Society of Obstetrics and Gynecology Successive Pregnancy Birth Registry System between 2013 and 2017. We analyzed data for cases wherein both babies were appropriate for gestational age and delivered at term. Cases were classified into four groups based on the pre-pregnancy BMI: underweight (BMI <18.5 kg/m2), normal weight (18.5 kg/m2 ≤BMI< 25.0 kg/m2), overweight (25.0 kg/m2 ≤BMI< 30.0 kg/m2), and obese (BMI ≥30.0 kg/m2) and we calculated the 25th-75th percentile range for GWG for the cases. The 3,936 cases were included. The GWG ranges were 11.5-16.5 kg, 10.3-16.0 kg, 6.9-14.7 kg, and 2.2-11.7 kg in the underweight, normal weight, overweight, and obese groups, respectively. Thus, in the current study, the optimal GWG during twin pregnancy was lower than that specified by the IOM criteria. Factoring this in maternal management may improve the outcomes of twin pregnancies in Japan.

DOI： 10.1371/journal.pone.0253596

PubMed

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記述言語：日本語   出版者・発行元：(一社)関東連合産科婦人科学会  

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記述言語：日本語   出版者・発行元：(一社)関東連合産科婦人科学会  

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記述言語：日本語   出版者・発行元：(一社)関東連合産科婦人科学会  

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記述言語：日本語   出版者・発行元：(一社)関東連合産科婦人科学会  

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記述言語：日本語   出版者・発行元：神奈川産科婦人科学会  

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記述言語：日本語   出版者・発行元：神奈川産科婦人科学会  

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記述言語：日本語   出版者・発行元：神奈川産科婦人科学会  

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記述言語：日本語   出版者・発行元：神奈川産科婦人科学会  

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記述言語：日本語   出版者・発行元：神奈川産科婦人科学会  

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

INTRODUCTION: This study aimed to assess the validity of applying the International Association of Diabetes and Pregnancy Study Group (IADPSG) criteria for the diagnosis of gestational diabetes mellitus (GDM) at any time during pregnancy. RESEARCH DESIGN AND METHODS: This multicenter cohort study was conducted at five Japanese facilities from January 2018 to April 2019. The study cohort included women at a high risk of GDM who met one or more of the following IADPSG criteria during early pregnancy: fasting plasma glucose (FPG) ≥92 mg/dL and 75 g oral glucose tolerance test (OGTT) value of ≥180 mg/dL at 1 hour, or ≥153 mg/dL at 2 hour (hereafter early-onset GDM). Women diagnosed with early-onset GDM were followed up without therapeutic intervention and underwent the 75 g OGTT again during 24-28 weeks of gestation. Those exhibiting the GDM patterns on the second 75 g OGTT were diagnosed with true GDM and treated, whereas those exhibiting the normal patterns were diagnosed with false positive early GDM and received no therapeutic intervention. RESULTS: Of the 146 women diagnosed with early-onset GDM, 69 (47%) had normal 75 g OGTT values at 24-28 weeks of gestation, indicating a false-positive result. FPG levels were significantly higher in the first 75 g-OGTT test than in the second 75 g-OGTT test (93 mg/dL and 87.5 mg/dL, respectively; p<0.001). FPG levels were high in 86 (59%) women with early-onset GDM during early pregnancy but in only 39 (27%) women during mid-pregnancy. Compared with false positive early GDM, true GDM was more frequently associated with adverse pregnancy outcomes. CONCLUSIONS: Although women with early-onset GDM were followed up without treatment, the results of repeated 75 g OGTT during mid-pregnancy were normal in about 50%. Our data did not support the adoption of IADPSG thresholds for the diagnosis of GDM prior to 20 weeks of gestation.

DOI： 10.1136/bmjdrc-2020-001234

PubMed

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記述言語：日本語   出版者・発行元：神奈川県医師会  

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記述言語：日本語   出版者・発行元：神奈川県医師会  

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記述言語：日本語   出版者・発行元：(一社)関東連合産科婦人科学会  

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

The aim of this study was to clarify the risk factors for chlamydial infection and determine whether infection during pregnancy is associated with preterm birth in Japanese women. The subjects were women who underwent Chlamydia trachomatis polymerase chain reaction testing during a singleton pregnancy and delivered after the 22nd week of gestation at a tertiary care center between January 1, 2000 and December 31, 2016. We compared Chlamydia-positive (n = 259) and Chlamydianegative (n = 1,974) groups and evaluated the pregnancy outcomes. The Chlamydia-positive group had a higher rate of public assistance coverage, smoking during pregnancy, nulliparity, lack of a partner, presence of other sexually transmitted infections, high-risk social status, and younger age (P < 0.01). The incidence of preterm births was not different between the groups, with an odds ratio of 0.95 (95% confidence interval: 0.62-1.46). The incidences of low birth weight deliveries, premature rupture of membranes, and preterm premature rupture of membranes prior to the 37th week were also comparable between the groups. Chlamydial infection during pregnancy had no effect on preterm birth, even after adjustment for confounding factors.

DOI： 10.7883/yoken.JJID.2019.116

PubMed

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記述言語：日本語   出版者・発行元：(公社)日本産科婦人科学会  

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記述言語：日本語   出版者・発行元：(公社)日本産科婦人科学会  

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記述言語：日本語   出版者・発行元：(公社)日本産科婦人科学会  

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記述言語：日本語   出版者・発行元：(公社)日本産科婦人科学会  

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記述言語：日本語   出版者・発行元：(公社)日本産科婦人科学会  

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記述言語：日本語   出版者・発行元：神奈川産科婦人科学会  

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記述言語：日本語   出版者・発行元：神奈川県医師会  

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記述言語：日本語   出版者・発行元：神奈川県医師会  

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記述言語：日本語   出版者・発行元：神奈川県医師会  

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記述言語：英語  

Vasa previa can occur even in cases without placental malposition and the precise diagnosis of vasa previa, and the course of the cord vessels contributes to a safe delivery. The color Doppler is a useful and easy-to-use device to confirm the presence of vasa previa.

DOI： 10.1002/ccr3.2432

PubMed

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記述言語：日本語   出版者・発行元：神奈川産科婦人科学会  

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記述言語：日本語   出版者・発行元：神奈川産科婦人科学会  

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記述言語：日本語   出版者・発行元：(一社)関東連合産科婦人科学会  

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記述言語：日本語   出版者・発行元：(一社)関東連合産科婦人科学会  

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

AIMS: The Japanese Society for the Study of Hypertension in Pregnancy revised the diagnostic criteria for pre-eclampsia (PE) to conform to those of the International Society for the Study of Hypertension in Pregnancy (ISSHP) in 2018. This study aimed to investigate whether pregnancy outcomes differ based on the presence of proteinuria and validate the adoption of the ISSHP criteria in Japan. METHODS: This is a retrospective study involving 308 women diagnosed with hypertensive disorders of pregnancy at a tertiary center. They were divided into the following groups: PE with proteinuria (n = 218), PE without proteinuria (n = 45) and gestational hypertension (n = 45) according to the ISSHP criteria for comparison of pregnancy outcomes. RESULTS: Applying the ISSHP criteria increased the number of pregnant women diagnosed as having PE by 14.6% (45 women). The difference in the rate of composite maternal complications between the two groups was unremarkable, with 33 cases (15.1%) in the PE with proteinuria group and 9 cases (20%) in the PE without proteinuria group. Moreover, composite neonatal complications occurred in 37 cases (17%) of PE with proteinuria group and 6 cases (13.3%) of PE without proteinuria group, showing remarkably similar incidence rate in the two groups. Women with PE with and without proteinuria had significantly earlier deliveries and lower neonatal birth weight than those with gestational hypertension. CONCLUSION: Pregnancy outcomes of PE with and without proteinuria were almost similar although their incidence increased, confirming its validity for adaptation of the ISSHP criteria in Japan.

DOI： 10.1111/jog.14017

PubMed

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記述言語：英語  

A 30-year-old woman with a bicorporeal uterus complained of abdominal pain and vaginal hemorrhage at 28 weeks and 5 days of gestation. There were no signs of placenta previa with echography in the second trimester; however, the echography showed a highly echoic area (91 × 85 mm), indicating placenta previa. Thereafter, abdominal pain and vaginal bleeding increased. Thus, we suspected placental abruption and performed cesarean section. After cesarean section, discharge of placenta-like tissue into the vagina was confirmed and pathological examination of the tissue showed only the decidua. In cases of uterine malformations, in which the uterine cavity is divided into pregnant and nonpregnant sides, the decidua on the nonpregnant side can be discharged before the onset of delivery. In addition, at the time of decidual discharge, echography findings are similar to those of placenta previa and the clinical symptoms are similar to those of placental abruption.

DOI： 10.1111/jog.13971

PubMed

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記述言語：日本語   出版者・発行元：神奈川県医師会  

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記述言語：日本語   出版者・発行元：(一社)日本周産期・新生児医学会  

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記述言語：日本語   出版者・発行元：(一社)日本周産期・新生児医学会  

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記述言語：日本語   出版者・発行元：(一社)関東連合産科婦人科学会  

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記述言語：日本語   出版者・発行元：(一社)関東連合産科婦人科学会  

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記述言語：日本語   出版者・発行元：(一社)関東連合産科婦人科学会  

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記述言語：日本語   出版者・発行元：(公社)日本産科婦人科学会  

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記述言語：日本語   出版者・発行元：(公社)日本産科婦人科学会  

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記述言語：日本語   出版者・発行元：(公社)日本産科婦人科学会  

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記述言語：日本語   出版者・発行元：(一社)日本集中治療医学会  

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記述言語：日本語   出版者・発行元：(公社)日本産科婦人科学会  

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記述言語：日本語   出版者・発行元：(公社)日本産科婦人科学会  

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記述言語：日本語   出版者・発行元：(公社)日本産科婦人科学会  

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記述言語：日本語   出版者・発行元：神奈川産科婦人科学会  

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記述言語：日本語   出版者・発行元：神奈川産科婦人科学会  

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記述言語：日本語   出版者・発行元：神奈川産科婦人科学会  

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記述言語：日本語   出版者・発行元：神奈川産科婦人科学会  

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記述言語：日本語   出版者・発行元：神奈川産科婦人科学会  

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記述言語：日本語   出版者・発行元：(公社)日本産科婦人科学会  

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記述言語：日本語   出版者・発行元：神奈川産科婦人科学会  

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記述言語：日本語   出版者・発行元：(公社)日本産科婦人科学会  

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記述言語：日本語   出版者・発行元：神奈川県医師会  

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

DOI： 10.1016/j.preghy.2019.01.007

PubMed

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

OBJECTIVE: The objective of this study is to examine the effect of low-glucose value on the 1-h 50-g glucose challenge test (GCT) on neonatal body weight in low-risk Asian singleton pregnant women. METHOD: We retrospectively analyzed women who delivered a singleton neonate at term at a tertiary center and underwent GCT at 24-28 weeks of gestation between June 2001 and June 2015. The low GCT group was defined as <75 mg/dL and 75-139 mg/dL were control. We compared these two groups of maternal characteristics, small for gestational age neonate (SGA), large for gestational age neonate (LGA), low-birth weight, and macrosomia. The χ2 test, Fisher's exact test, and Student's t test were used. RESULTS: There were 313 low GCT groups and 4611 control. The low GCT group were younger, had lower prepregnancy body weight, higher stature, and lower prepregnancy body mass index (BMI). After adjusting these variables, the low GCT group had a lower rate of LGA and a higher rate of SGA. Neonatal body weight is more influenced by maternal physique than by low GCT result (standardized coefficient (β); GCT 0.071, height 0.188, prepregnancy BMI 0.143). CONCLUSIONS: Neonatal body weight was only slightly influenced by low GCT result, but markedly influenced by maternal physique, such as height and prepregnancy BMI.

DOI： 10.1080/14767058.2017.1371130

PubMed

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記述言語：日本語   出版者・発行元：神奈川県医師会  

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記述言語：日本語   出版者・発行元：神奈川県医師会  

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掲載種別：研究論文（学術雑誌）  

DOI： 10.12891/ceog4196.2019

Scopus

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

A 35-year-old primiparous woman was diagnosed with Turner syndrome at the age of 12 yr due to short stature. Her karyotype showed a mosaic pattern [45, X(19)/46, XX(11)]. She had been followed up by the pediatric service. GH was not prescribed because, although she was of relatively short stature, her growth trajectory was reasonable. She was started on estrogen replacement therapy at 15 yr of age and switched to Kaufmann therapy after 1 yr. After transitioning her care to the gynecology service at 20 yr of age, she was screened for complications and Kaufmann therapy was continued. No abnormalities were detected in the pre-pregnancy screening. She conceived by in vitro fertilization and embryo transplantation with oocyte donation. No severe complications occurred during gestation, and she gave birth to a female neonate vaginally at 41 wk and 6 d of gestation. The neonate's birthweight was 3166 g, and her Apgar scores were 8 and 9 at 1 and 5 min, respectively. No severe complications occurred during the postpartum period. Comprehensive medical treatment and appropriate transition from pediatric to adult services may improve the pregnancy outcomes of women with Turner syndrome.

DOI： 10.1297/cpe.28.37

PubMed

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記述言語：英語  

DOI： 10.1155/2019/2953676

PubMed

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記述言語：日本語   出版者・発行元：(一社)日本妊娠高血圧学会  

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記述言語：日本語   出版者・発行元：(一社)関東連合産科婦人科学会  

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記述言語：日本語   出版者・発行元：神奈川産科婦人科学会  

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記述言語：日本語   出版者・発行元：神奈川産科婦人科学会  

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記述言語：日本語   出版者・発行元：神奈川県医師会  

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記述言語：日本語   出版者・発行元：神奈川県医師会  

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記述言語：日本語   出版者・発行元：神奈川県医師会  

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記述言語：日本語   出版者・発行元：(一社)日本周産期・新生児医学会  

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記述言語：日本語   出版者・発行元：(一社)日本周産期・新生児医学会  

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記述言語：日本語   出版者・発行元：(一社)日本周産期・新生児医学会  

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記述言語：英語   出版者・発行元：Wiley  

As labor may mask a symptom of the rupture of ovarian cyst and delivery is a risk factor of its rupture, the possibility of rupture of ovarian cyst should always be considered during delivery.

DOI： 10.1002/ccr3.1554

PubMed

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記述言語：日本語   出版者・発行元：(一社)関東連合産科婦人科学会  

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記述言語：日本語   出版者・発行元：(一社)関東連合産科婦人科学会  

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記述言語：日本語   出版者・発行元：(公社)日本産科婦人科学会  

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記述言語：日本語   出版者・発行元：(公社)日本産科婦人科学会  

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記述言語：日本語   出版者・発行元：(公社)日本産科婦人科学会  

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記述言語：日本語   出版者・発行元：(公社)日本産科婦人科学会  

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記述言語：日本語   出版者・発行元：(公社)日本産科婦人科学会  

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記述言語：日本語   出版者・発行元：(一社)関東連合産科婦人科学会  

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記述言語：日本語   出版者・発行元：(一社)関東連合産科婦人科学会  

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記述言語：日本語   出版者・発行元：(一社)日本周産期・新生児医学会  

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記述言語：日本語   出版者・発行元：ライフサイエンス出版(株)  

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記述言語：日本語  

J-GLOBAL

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記述言語：日本語   出版者・発行元：(一社)関東連合産科婦人科学会  

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記述言語：日本語   出版者・発行元：(一社)日本周産期・新生児医学会  

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記述言語：日本語   出版者・発行元：(一社)日本周産期・新生児医学会  

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記述言語：日本語   出版者・発行元：(一社)日本周産期・新生児医学会  

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記述言語：日本語   出版者・発行元：(一社)関東連合産科婦人科学会  

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記述言語：日本語   出版者・発行元：(公社)日本産科婦人科学会  

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記述言語：日本語   出版者・発行元：(公社)日本産科婦人科学会  

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記述言語：日本語   出版者・発行元：神奈川産科婦人科学会  

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記述言語：日本語   出版者・発行元：(一社)関東連合産科婦人科学会  

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記述言語：日本語   出版者・発行元：神奈川産科婦人科学会  

CiNii Books

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記述言語：日本語   出版者・発行元：神奈川産科婦人科学会  

CiNii Books

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その他リンク： http://search.jamas.or.jp/link/ui/2017199608

記述言語：日本語   出版者・発行元：診断と治療社  

CiNii Books

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その他リンク： http://search.jamas.or.jp/link/ui/2017086071

記述言語：日本語   出版者・発行元：日本婦人科腫瘍学会  

CiNii Books

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その他リンク： http://search.jamas.or.jp/link/ui/2017033879

記述言語：日本語   出版者・発行元：神奈川産科婦人科学会  

CiNii Books

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その他リンク： http://search.jamas.or.jp/link/ui/2017017728

記述言語：日本語   出版者・発行元：神奈川産科婦人科学会  

CiNii Books

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その他リンク： http://search.jamas.or.jp/link/ui/2017017734

記述言語：日本語   出版者・発行元：金原出版  

CiNii Books

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その他リンク： http://search.jamas.or.jp/link/ui/2016351349

記述言語：日本語   出版者・発行元：東京医学社  

CiNii Books

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その他リンク： http://search.jamas.or.jp/link/ui/2016151172

記述言語：日本語   出版者・発行元：日本産科婦人科学会  

CiNii Books

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その他リンク： https://projects.repo.nii.ac.jp/?action=repository_uri&item_id=456712

記述言語：日本語   出版者・発行元：日本産科婦人科学会  

CiNii Books

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その他リンク： https://projects.repo.nii.ac.jp/?action=repository_uri&item_id=456713

記述言語：日本語   出版者・発行元：日本産科婦人科学会  

CiNii Books

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その他リンク： https://projects.repo.nii.ac.jp/?action=repository_uri&item_id=456353

記述言語：日本語   出版者・発行元：日本産科婦人科学会  

CiNii Books

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その他リンク： https://projects.repo.nii.ac.jp/?action=repository_uri&item_id=457508

記述言語：日本語   出版者・発行元：日本産科婦人科学会  

CiNii Books

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その他リンク： https://projects.repo.nii.ac.jp/?action=repository_uri&item_id=457413

記述言語：日本語   出版者・発行元：日本産科婦人科学会  

CiNii Books

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その他リンク： https://projects.repo.nii.ac.jp/?action=repository_uri&item_id=456840

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その他リンク： https://projects.repo.nii.ac.jp/?action=repository_uri&item_id=457305

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記述言語：日本語  

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記述言語：日本語  

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記述言語：日本語   出版者・発行元：日本産科婦人科学会  

CiNii Books

J-GLOBAL

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記述言語：日本語   出版者・発行元：日本産科婦人科学会  

CiNii Books

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記述言語：日本語   出版者・発行元：日本産科婦人科学会  

CiNii Books

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その他リンク： https://projects.repo.nii.ac.jp/?action=repository_uri&item_id=454451

記述言語：英語   出版者・発行元：日本産科婦人科学会  

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その他リンク： https://projects.repo.nii.ac.jp/?action=repository_uri&item_id=453425

記述言語：日本語   出版者・発行元：神奈川産科婦人科学会  

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その他リンク： http://search.jamas.or.jp/link/ui/2013355337

記述言語：日本語   出版者・発行元：神奈川産科婦人科学会  

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その他リンク： http://search.jamas.or.jp/link/ui/2013179270

記述言語：日本語   出版者・発行元：日本遺伝カウンセリング学会  

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記述言語：日本語   出版者・発行元：社団法人日本産科婦人科学会  

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記述言語：日本語   出版者・発行元：日本産科婦人科学会  

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その他リンク： https://projects.repo.nii.ac.jp/?action=repository_uri&item_id=449278

記述言語：日本語   出版者・発行元：日本産科婦人科学会  

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その他リンク： https://projects.repo.nii.ac.jp/?action=repository_uri&item_id=448889

記述言語：日本語   出版者・発行元：日本産科婦人科学会  

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その他リンク： https://projects.repo.nii.ac.jp/?action=repository_uri&item_id=448891

記述言語：日本語   出版者・発行元：日本産科婦人科学会  

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その他リンク： https://projects.repo.nii.ac.jp/?action=repository_uri&item_id=448798

記述言語：日本語   出版者・発行元：日本産科婦人科学会  

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その他リンク： http://search.jamas.or.jp/link/ui/2010270515