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The Journal of Obstetrics and Gynaecology Research|September 6, 2025
Quantitative assessment of placental alpha macroglobulin-1 for predicting impending preterm delivery in asymptomatic women with a short cervixYuki Nozaki, Kenji Imai, Rika Miki, et al.
Reproductive Biomedicine Online|October 6, 2024
Assisted reproductive technology and prolonged third stage of labour: a multicentre study in JapanAkihito Kato, Takafumi Ushida, Seiko Matsuo, et al.
The Journal of Obstetrics and Gynaecology Research|March 12, 2026
Facility-Level Factors Associating Antenatal Corticosteroid Administration Rates and Subsequent Term Birth Rates: A Nationwide Cross-Sectional Observational Study Using the 2020-2022 Perinatal Registry Database in JapanKazuya Fuma, Takafumi Ushida, Takahiro Imaizumi, et al.
The Journal of Obstetrics and Gynaecology Research|September 25, 2024
Elevated levels of apolipoprotein A4 in umbilical cord serum from the maternal major depressive disorderSeiko Matsuo, Yoshinori Moriyama, Takafumi Ushida, et al.
Hypertension Research : Official Journal of the Japanese Society of Hypertension|June 10, 2026
Blood pressure trajectories during pregnancy, labor, and postpartum period: a multicenter study in JapanTakafumi Ushida, Takuma Shimaya, Tatsuo Inamura, et al.
Archives of Women'S Mental Health|July 13, 2021
Pre-pregnancy sleep duration and postpartum depression: a multicenter study in JapanSeiko Matsuo, Takafumi Ushida, Yukako Iitani, et al.
The Journal of Obstetrics and Gynaecology Research|September 5, 2021
Manual removal of the placenta and postpartum hemorrhage: A multicenter retrospective studyKei Fujita, Takafumi Ushida, Kenji Imai, et al.
The Journal of Obstetrics and Gynaecology Research|May 4, 2022
Reassessing the duration of each stage of labor and their relation to postpartum hemorrhage in the current Japanese populationTakafumi Ushida, Seiko Matsuo, Noriyuki Nakamura, et al.
Pregnancy Hypertension|January 8, 2026
Hypertensive disorders of pregnancy and retinopathy of prematurity in extremely preterm infants: A causal mediation analysisSatoru Katsuki, Takafumi Ushida, Masahiro Nakatochi, et al.
Cureus|December 30, 2025
Recognizing an Incarcerated Gravid Uterus When the Cervical Canal Is Absent on Transvaginal UltrasoundAsuka Okawa, Sho Tano, Mikako Inoue, et al.
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