Impact of COVID‐19 pandemic on assisted reproductive technology treatment under voluntary lockdown in Japan by Seung Chik Jwa, Akira Kuwahara, Osamu Ishihara, Hiroyuki Fujiwara

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Effect of endometrial preparation protocols on the risk of ectopic pregnancy for frozen embryo transfer by Seung Chik Jwa, Masashi Takamura, Akira Kuwahara, Takeshi Kajihara, Osamu Ishihara

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Klebsiella pneumoniae-induced pyogenic liver abscess secondary to oocyte pick-up by Sachie Seto, Seung Chik Jwa, Akira Namba, Kaori Indo, Takeshi Kajihara, Osamu Ishihara

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Male subfertility and the risk of major birth defects in children born after in vitro fertilization and intracytoplasmic sperm injection: a retrospective cohort study by Seung Chik Jwa, Junna Jwa, Akira Kuwahara, Minoru Irahara, Osamu Ishihara, Hidekazu Saito

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Postoperative C-reactive protein as a predictive marker for surgical site infection after cesarean section: Retrospective analysis of 748 patients at a Japanese academic institutio... by Kazuko Miyazaki, Seung Chik Jwa, Eri Katayama, Shunsuke Tamaru, Osamu Ishihara, Yoshimasa Kamei

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Validation of a food-frequency questionnaire for assessing vitamin intake of Japanese women in early and late pregnancy with and without nausea and vomiting by Seung Chik Jwa, Kohei Ogawa, Minatsu Kobayashi, Naho Morisaki, Haruhiko Sago, Takeo Fujiwara

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Assisted reproductive technology-associated risk factors for placenta accreta spectrum after vaginal delivery by Seung Chik Jwa, Shunsuke Tamaru, Masashi Takamura, Akira Namba, Takeshi Kajihara, Osamu Ishihara, Yoshimasa Kamei

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Assisted reproductive technology in Japan: A summary report for 2017 by the Ethics Committee of the Japan Society of Obstetrics and Gynecology by Osamu Ishihara, Seung Chik Jwa, Akira Kuwahara, Yukiko Katagiri, Yoshimitsu Kuwabara, Toshio Hamatani, Miyuki Harada, Tomohiko Ichikawa

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Cumulative live birth rate according to the number of receiving governmental subsidies for assisted reproductive technology in Saitama Prefecture, Japan: A retrospective study usin... by Seung Chik Jwa, Osamu Ishihara, Akira Kuwahara, Kazuki Saito, Hidekazu Saito, Yukihiro Terada, Yasuki Kobayashi, Eri Maeda

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Assisted reproductive technology in Japan: A summary report for 2016 by the Ethics Committee of the Japan Society of Obstetrics and Gynecology by Osamu Ishihara, Seung Chik Jwa, Akira Kuwahara, Tomonori Ishikawa, Koji Kugu, Rintaro Sawa, Kouji Banno, Minoru Irahara, Hidekazu Saito

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Intra-Abdominal Bleeding during Pregnancy, Preterm Delivery, and Placental Polyp in a Long-Term Survivor of Neuroblastoma: A Case Report by Noriyoshi Watanabe, Junna Tsutsui, Satsuki Kakiuchi, Seung Chik Jwa, Hironori Takahashi, Naomi Kato, Nobuaki Ozawa, Haruhiko Sago, Michihiro Kitagawa

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Artificial oocyte activation using Ca2+ ionophores following intracytoplasmic sperm injection for low fertilization rate by Kazuhiro Akashi, Mitsutoshi Yamada, Seung Chik Jwa, Hiroki Utsuno, Shintaro Kamijo, Yasushi Hirota, Mamoru Tanaka, Yutaka Osuga, Naoaki Kuji

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Assisted reproductive technology in Japan: a summary report for 2015 by The Ethics Committee of The Japan Society of Obstetrics and Gynecology by Hidekazu Saito, Seung Chik Jwa, Akira Kuwahara, Kazuki Saito, Tomonori Ishikawa, Osamu Ishihara, Koji Kugu, Rintaro Sawa, Kouji Banno, Minoru Irahara

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Factors associated with an unfavorable clinical course in hospitalized patients with pelvic inflammatory disease: a retrospective cohort study of 117 patients from a Japanese acade... by Naoko Matsuda, Seung Chik Jwa, Saki Tamura, Hiroyuki Suzuki, Masashi Takamura, Akira Namba, Takeshi Kajihara, Ryugo Okagaki, Yoshimasa Kamei, Osamu Ishihara

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Household income and medical help-seeking for fertility problems among a representative population in Japan by Arisa Iba, Eri Maeda, Seung Chik Jwa, Ayako Yanagisawa-Sugita, Kazuki Saito, Akira Kuwahara, Hidekazu Saito, Yukihiro Terada, Osamu Ishihara, Yasuki Kobayashi

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Assisted reproductive technology in Japan: A summary report for 2019 by the Ethics Committee of the Japan Society of Obstetrics and Gynecology by Yukiko Katagiri, Seung Chik Jwa, Akira Kuwahara, Takeshi Iwasa, Masanori Ono, Keiichi Kato, Hiroshi Kishi, Yoshimitsu Kuwabara, Miyuki Harada, Toshio Hamatani, Yutaka Osuga

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Assisted reproductive technology in Japan: A summary report for 2020 by the ethics Committee of the Japan Society of obstetrics and gynecology by Yukiko Katagiri, Seung Chik Jwa, Akira Kuwahara, Takeshi Iwasa, Masanori Ono, Keiichi Kato, Hiroshi Kishi, Yoshimitsu Kuwabara, Miyuki Harada, Toshio Hamatani, Yutaka Osuga

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Assisted reproductive technology in Japan: A summary report for 2021 by the Ethics Committee of the Japan Society of Obstetrics and Gynecology by Yukiko Katagiri, Seung Chik Jwa, Akira Kuwahara, Takeshi Iwasa, Masanori On, Keiichi Kato, Hiroshi Kishi, Yoshimitsu Kuwabara, Fuminori Taniguchi, Miyuki Harada, Akira Iwase, Yutaka Osuga

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Assisted reproductive technology in Japan: A summary report for 2022 by the Ethics Committee of the Japan Society of Obstetrics and Gynecology by Yukiko Katagiri, Seung Chik Jwa, Akira Kuwahara, Takeshi Iwasa, Masanori Ono, Keiichi Kato, Hiroshi Kishi, Yoshimitsu Kuwabara, Fuminori Taniguchi, Miyuki Harada, Akira Iwase, Norihiro Sugino

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Out-of-pocket payment and patients’ treatment choice for assisted reproductive technology by household income: a conjoint analysis using an online social research panel in Japan by Eri Maeda, Seung Chik Jwa, Yukiyo Kumazawa, Kazuki Saito, Arisa Iba, Ayako Yanagisawa‑Sugita, Akira Kuwahara, Hidekazu Saito, Yukihiro Terada, Takashi Fukuda, Osamu Ishihara, Yasuki Kobayashi

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