Publications by authors named "Soichiro Obata"

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The Effect of Introducing Dinoprostone Vaginal Inserts (DVI) in Cases of Term Prelabor Rupture of Membranes With Unfavorable Cervix.
Ryosuke Shindo, Shigeru Aoki, Sayuri Nakanishi, Soichiro Obata, Etsuko Miyagi

Cureus· September 2025

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Survey on Awareness and Attitudes Toward Maternal Immunization Against Influenza, Pertussis, Respiratory Syncytial Virus, and Group B Streptococcus Among Pregnant Women in Japan.
Kazuya Hiiragi, Soichiro Obata, Masafumi Yamamoto, Mai Shimura, Chika Akamatsu

Vaccines (Basel)· July 2025

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Clinical implications of a Couvelaire uterus with placental abruption: A retrospective study.
Kazuya Hiiragi, Soichiro Obata, Etsuko Miyagi, Shigeru Aoki

Int J Gynaecol Obstet· January 2025

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Maternal and neonatal outcomes of occiput posterior vaginal delivery.
Mizuho Sawai, Ryosuke Shindo, Sayuri Nakanishi, Soichiro Obata, Etsuko Miyagi

J Obstet Gynaecol Res· January 2025

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Impact of changes in recommendation of optimal gestational weight gain in Japan: A retrospective study in a single tertiary center.
Kotono Umehara, Sayuri Nakanishi, Tomoyuki Kojima, Masafumi Yamamoto, Ryosuke Shindo, Soichiro Obata

J Obstet Gynaecol Res· September 2024

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Women with elevated blood pressure and stage 1 hypertension are at high risk for preeclampsia. A retrospective study at a tertiary facility in Japan.
Ryosuke Shindo, Shigeru Aoki, Sayuri Nakanishi, Soichiro Obata, Etsuko Miyagi

J Obstet Gynaecol Res· March 2024

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Pregnancy outcomes in patients with familial Mediterranean fever: systematic review and meta-analysis.
Yuhya Hirahara, Midori Yamaguchi, Kaoru Takase-Minegishi, Yohei Kirino, Shigeru Aoki, Soichiro Obata

Rheumatology (Oxford)· February 2024

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Impact of Introducing a Controlled-Release Dinoprostone Vaginal Insert for Labor Induction: A Retrospective Single-Center Study in Japan.
Ryosuke Shindo, Shigeru Aoki, Sayuri Nakanishi, Soichiro Obata, Etsuko Miyagi

Cureus· January 2024

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Intrauterine fetal death due to fetal intracranial hemorrhage associated with maternal vitamin K deficiency: A case report.
Koya Yasuda, Soichiro Obata, Eita Kumagai, Takayoshi Iijima, Masafumi Yamamoto

Case Rep Womens Health· December 2023

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Clinical Features of Preeclampsia Preceded by Fetal Growth Restriction.
Takayoshi Iijima, Soichiro Obata, Etsuko Miyagi, Shigeru Aoki

Cureus· December 2023

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Effectiveness of call system implementation for postpartum hemorrhage in a tertiary emergency medical center: a retrospective cohort study.
Sayo Umeda, Takeru Abe, Soichiro Obata, Shigeru Aoki, Ichiro Takeuchi

BMC Pregnancy Childbirth· November 2023

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Successful fertility preservation by expectant management of a cervico-isthmic pregnancy with fetal death in the second trimester: A case report.
Soichiro Obata, Ryosuke Shindo, Masako Otani, Etsuko Miyagi, Shigeru Aoki

Case Rep Womens Health· June 2023

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Non-efficacy of early intervention strategy for non-obese patients with early-onset gestational diabetes mellitus: solely based on the short-term outcomes.
Sayuri Nakanishi, Shigeru Aoki, Junko Kasai, Ryosuke Shindo, Soichiro Obata

BMJ Open Diabetes Res Care· June 2023

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A case of cardiac arrest due to postpartum hemorrhage treated with hysterectomy and extracorporeal membrane oxygenation.
Naoki Tsuchiya, Soichiro Obata, Michi Kasai, Etsuko Miyagi, Shigeru Aoki

Clin Case Rep· June 2023

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Exponential increase of the gestational-age-specific incidence of preeclampsia onset (COPE study): a multicenter retrospective cohort study in women with maternal check-ups at <20 weeks of gestation in Japan.
Akihide Ohkuchi, Hirotada Suzuki, Keiichi Matsubara, Kazushi Watanabe, Takuya Saitou, Soichiro Obata

Hypertens Res· November 2022

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Rapid progression of hepatocellular carcinoma in a pregnant woman: A case report.
Takayoshi Iijima, Soichiro Obata, Makoto Chuma, Etsuko Miyagi, Shigeru Aoki

Clin Case Rep· November 2022

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Case of suspected lobular endocervical glandular hyperplasia in a cervical cystic lesion during pregnancy.
Sayaka Suzuki, Yoshinobu Sugo, Kazuya Hiiragi, Soichiro Obata, Akiko Iwata

Clin Case Rep· November 2022

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Clinical characteristics and pregnancy outcomes of cases with an incarcerated gravid uterus.
Mariko Utsunomiya, Soichiro Obata, Sayaka Suzuki, Etsuko Miyagi, Shigeru Aoki

J Obstet Gynaecol· October 2022

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Do pregnancy outcomes of women with false-positive early gestational diabetes mellitus differ from those of women with normal glucose tolerance?
Sayuri Nakanishi, Shigeru Aoki, Ryosuke Shindo, Soichiro Obata, Junko Kasai

BMC Endocr Disord· August 2022

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Impact of health literacy on anxiety and depressive symptoms in pregnant women in Japan during the COVID-19 pandemic.
Yasuo Haruyama, Etsuko Miyagi, Gen Kobashi, Soichiro Obata, Takeshi Umazume

Sci Rep· August 2022

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An extremely prolonged second stage of labor increases maternal complications but has no adverse effect on neonatal outcomes.
Mayumi Hagiwara, Sayuri Nakanishi, Ryosuke Shindo, Soichiro Obata, Etsuko Miyagi

J Obstet Gynaecol Res· June 2022

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Weight gain during twin pregnancy with favorable pregnancy outcomes in Japan: A retrospective investigation for new criteria based on perinatal registry data.
Soichiro Obata, Mai Shimura, Toshihiro Misumi, Sayuri Nakanishi, Ryosuke Shindo

PLoS One· November 2021

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The current status, attitudes, and practices concerning maternal pertussis vaccination in obstetric delivery facilities in Kanagawa Prefecture, Japan: a questionnaire survey.
Kazuya Hiiragi, Soichiro Obata, Etsuko Miyagi, Shigeru Aoki

Hum Vaccin Immunother· November 2021

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Psychological stress among pregnant and puerperal women in Japan during the coronavirus disease 2019 pandemic.
Soichiro Obata, Etsuko Miyagi, Yasuo Haruyama, Takeshi Umazume, Gen Kobashi

J Obstet Gynaecol Res· September 2021

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The physical and mental burden on obstetricians and gynecologists during the COVID-19 pandemic: A September 2020 questionnaire study.
Takeshi Umazume, Etsuko Miyagi, Yasuo Haruyama, Soichiro Obata, Gen Kobashi

J Obstet Gynaecol Res· September 2021

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