Session Details

[O12]Reproductive and Prenatal Genetics (English Session)

Fri. Nov 20, 2026 9:40 AM - 10:40 AM JST
Fri. Nov 20, 2026 12:40 AM - 1:40 AM UTC
Room 6 (Meeting Room 3, Exhibition Building, Sendai International Center)
Chair: Katsusuke Ozawa (National Center for Child Health and Development), Yuri Hasegawa (Department of Obstetrics and Gynecology, Nagasaki University)
[English Session]

[O12-01]Aortic Dissection During the Perinatal Period in Women with Marfan-Related Disorders: A Retrospective Cohort Study

Maika Nariai1, Osamu Hiraike2, Hiromi Ga1, Risa Takai1, Yuki Enomoto1, Maho Furukawa1, Yuichiro Matsuo3, Yusuke Sasabuchi4, Hideo Yasunaga3, Seisuke Sayama1, Takayuki Iriyama1, Miyuki Harada1, Yasushi Hirota1 (1. Department of Obstetrics and Gynecology, The University of Tokyo, Tokyo, Japan, 2. Department of Obstetrics and Gynecology, Nippon Medical School Hospital, Tokyo, Japan, 3. Department of Clinical Epidemiology and Health Economics, School of Public Health, The University of Tokyo, 4. Department of Real-World Evidence, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan)

[O12-02]Perinatal outcomes of rare autosomal trisomies and sex chromosome aneuploidies detected by NIPT in Japan

Yuka Yamashita1, Nahoko Shirato1, Mikiko Izumi2, Tatsuko Isii2, Kiyotake Ichizuka3, Reina Komatsu4, Seiji Wada5, Haruhiko Sagou5,6, Osamu Samura7, Nobuhiro Suzumori8, Hideaki Sawai9, Yukiko Katagiri10, Yoshinori Maeda11, Hiroko Morisaki12, Akira Namba13, Yoshimasa Kamei13, Yuri Hasegawa14, Kiyonori Miura14, Setsuko Nakayama15, Akihiko Sekizawa1 (1. Department of Obstetrics and Gynecology, Showa Medical University, School of Medicine, Tokyo, Japan, 2. Center of Clinical Genetics, Showa Medical University Hospital, 3. Department of Obstetrics and Gynecology, Showa Medical University Northern Yokohama Hospital, 4. Department of Obstetrics and Gynecology, Showa Medical University Koto Toyosu Hospital, 5. National Center for Child Health and Development, 6. Sanno Birth Center, 7. Department of Obstetrics and Gynecology, The Jikei University School of Medicine, 8. Department of Clinical Genetics, Iwate Medical University, 9. Department of Obstetrics and Gynecology, Hyogo Medical University, 10. Department of Obstetrics and Gynecology, Toho University Omori Medical Center, 11. Department of Obstetrics and Gynecology, Sakakibara Heart Institute, 12. Department of Clinical Genetics, Sakakibara Heart Institute, 13. Department of Obstetrics and Gynecology, Saitama Medical University, 14. Department of Obstetrics and Gynecology, Nagasaki University, 15. Department of Prenatal Diagnosis, Aiiku Clinic)

[O12-03]Oocyte Donation ART in Mosaic Turner Syndrome: Treatment Outcomes and Perinatal Prognosis in Four Cases

Yuya Makino1,2, Motoi Nagayoshi1, Anna Endo1, Shigeki Fujimoto1,3, Izumi Tanaka1, Atsushi Tanaka1 (1. Saint Mother Clinic, Kitakyushu, Japan, 2. Department of Obstetrics and Gynecology, Juntendo University School of Medicine, Tokyo, Japan, 3. Department of Obstetrics and Gynecology, Wakamatsu Hospital of University of Occupational and Environmental Health, Kitakyushu, Japan)

[O12-04]A CVS case with an NGS-detected deletion missed by karyotyping and classified as VUS by SNP array

Atsushi Tanaka1, Motoi Nagayoshi1, Yuya Makino1,2, Shigeki Fujimoto1,3, Anna Endo1, Izumi Tanaka1 (1. Saint Mother Clinic, Kitakyushu, Japan, 2. Department of Obstetrics and Gynecology, Juntendo University School of Medicine, Tokyo, Japan, 3. Department of Obstetrics and Gynecology, Wakamatsu Hospital of University of Occupational and Environmental Health, Kitakyushu, Japan)

[O12-05]Mildly Increased Nuchal Translucency and Progressive Fetal Findings Associated With 5p Abnormality

Mizuho Kadooka1,2, Ryo Otaka2, Chinami Osato2, Yuto Naroda2,3, Satoshi Dohi2,4,5, Atsushi Tajima2,6 (1. Department of Obstetrics and Gynecology, Kameda Medical Center, Chiba, Japan, 2. Department of Genetics, Kameda Medical Center, Chiba, Japan, 3. Department of Urology, Kameda Medical Center, Chiba, Japan, 4. Toyosu Ladies Clinic, Tokyo, Japan, 5. Department of Medical Education, Showa Medical University School of Medicine, Tokyo, Japan, 6. Department of Obstetrics and Gynecology, Kyorin University School of Medicine, Tokyo, Japan)

[O12-06]Maternal copy number variations detected by noninvasive prenatal testing in Japanese women

Kaku Masuda1,2, Hiroyuki Mishima3, Koh-ichiro Yoshiura3,4, Yuriko Kitajima1, Shoko Miura1, Yuri Hasegawa1, Yuki Ito5, Osamu Samura5, Nobuhiro Suzumori6, Hideaki Sawai7, Nahoko Shirato8, Akihiko Sekizawa8, Kiyonori Miura1 (1. Department of Obstetrics and Gynecology, Nagasaki University, Nagasaki Japan, 2. Japan Community Health care Organization Isahaya General Hospital, 3. Department of Human Genetics, Atomic Bomb Disease Institute, Nagasaki University, Nagasaki, Japan, 4. Department of Human Genetics, Leading Research Core Unit, Graduate School of Biomedical Sciences, Nagasaki University, Nagasaki, Japan, 5. Department of Obstetrics and Gynecology, The Jikei University School of Medicine, Tokyo, Japan, 6. Department of Clinical Genetics, Iwate Medical University, Morioka, Japan, 7. Department of Obstetrics and Gynecology, Hyogo Medical University, Nishinomiya, Japan, 8. Department of Obstetrics and Gynecology, Showa Medical University School of Medicine, Tokyo, Japan)