Session Details

[O22]Oral Session 22 Reproductive Genetics / Prenatal Genetics

Sat. Dec 20, 2025 10:40 AM - 11:30 AM JST
Sat. Dec 20, 2025 1:40 AM - 2:30 AM UTC
Room 4 (304, 3F, PACIFICO Yokohama)
Chairs:Katsusuke Ozawa(National Center for Child Health and Development, Division of Fetal Medicine)/Akira Namba(Saitama Medical University Hospital)
[English Session]

[O22-1]Nanopore Long-Read Sequencing for CTG Repeat Sizing in DMPK1 Gene in Prenatal and Preimplantation Genetic Testing

Yui Shichiri1, Hidehito Inagaki1, Tasuku Mariya3, Yuri Murase1, Takeshi Sugimoto1, Eiji Sugihara4, Haruki Nishizawa5, Hiroki Kurahashi1,2 (1.Division of Molecular Genetics, Institute for Comprehensive Medical Science, Fujita Health University, Aichi, Japan, 2.Department of Clinical Genetics, Fujita Health University Hospital, Aichi, Japan, 3.Department of Obstetrics and Gynecology, School of Medicine, Sapporo Medical University, 4.Open Facility Center and Oncology Innovation Center, Research Promotion Headquarters, Fujita Health University, Aichi, Japan, 5.Department of Obstetrics and Gynecology, Fujita Health University School of Medicine, Aichi, Japan)

[O22-2]Pathogenic copy number variations found by chromosomal microarray analysis following Nuchal translucency thickening

Yasushi Nakamura1, Chieko Tamura1, Kenji Yamada1, Chikoto Ihara1, Mio Furusawa1, Chikara Kihira2, Seiji Kanazawa1 (1.FMC Tokyo Clinic, Tokyo, Japan, 2.Dept. OB&GYN, Teikyo University School of Medicine)

[O22-3]A Study on the Etiology and Pathophysiology of Hydrops Fetalis through Whole-Exome Sequencing

Katsusuke Ozawa1,2, Jin Muromoto1,2, Rika Sugibayashi1,2, Fuyuki Hasegawa2, Tomoko Kawai3, Kazuhiko Nakabayashi3, Kosuke Taniguchi4, Kenichiro Hata4, Yuka Shibata5, Yuka Wada5, Seiji Wada1,2 (1.Division of Fetal Medicine, National Center for Child Health and Development, Tokyo, Japan, 2.Center for Clinical Genetics, National Center for Child Health and Development, Tokyo, Japan, 3.Department of Maternal-Fetal Biology, National Center for Child Health and Development, Tokyo, Japan, 4.Department of Human Molecular Genetics, Gunma University Graduates School of Medicine, Gunma, Japan, 5.Division of Neonatology, National Center for Child Health and Development, Tokyo, Japan)

[O22-4]Incidence of dizygotic, monochorionic diamniotic twin

Hidehiko Maruyama1, Keiko Tsukamoto1, Tetsuya Isayama1, Yushi Ito1, Seiji Wada2 (1.Division of Neonatology, National Center for Child Health and Development, Tokyo, Japan, 2.Division of Fetal Medicine, National Center for Child Health and Development, Tokyo, Japan)

[O22-5]Prenatal Genetic Counselling for egg donated pregnancy

Koichiro Kido1, Chikara Kihira1, Takahiro Seyama1, Keita Yatsuki1, Haruka Nishida1, Noriko Nakabayashi2, Miho Aoki2, Sayuri Hiraoka2, Mieko Takeuchi2, Yutaka Oosuga1, Kazunori Nagasaka1 (1.Department of Obstetrics & Gynecology, Teikyo University, School of Medicine, Tokyo, Japan, 2.Center for Clinical Genetics, Teikyo University Hospital)