Session Details
[P2-01]Poster Session 2-01 Prenatal Genetics 2
Fri. Dec 19, 2025 5:50 PM - 6:50 PM JST
Fri. Dec 19, 2025 8:50 AM - 9:50 AM UTC
Fri. Dec 19, 2025 8:50 AM - 9:50 AM UTC
Poster Room 1 (301+302, 3F, PACIFICO Yokohama)
[P2-01-1]Validation of SNP-based NIPT for twin pregnancies: Accuracy and clinical implications
Shiho Uchida1, Yuki Mizuguchi1,2,3, Suguru Sato4, Kou Sueoka3, Mamoru Tanaka1 (1.Department of Obstetrics and Gynecology, Keio University School of Medicine, Tokyo, Japan, 2.Rose Ladies Clinic, Tokyo, Japan, 3.Shizuoka Graduate University of Public Health Graduate School of Public Health, Shizuoka, Japan, 4.Fujisawa IVF Clinic, Fujisawa, Japan)
[P2-01-2]A Case of Low-Level Mosaic Trisomy 20 Diagnosed by Amniocentesis: Importance of Counseling and Ongoing Support
Ikuno Kawabata1, Maho Kuroda1, Tomoko Sahara1, Momoko Owada2, Hidehiko Miyake1,3, Shunji Suzuki2, Takeshi Yamada1 (1.Division of Clinical Genetics, Nippon Medical School Hospital, 2.Department of Obstetrics and Gynecology, Nippon Medical School, 3.Department of Genetic Counseling, Graduate School of Humanities and Science, Ochanomizu University)
[P2-01-3]Current status of NIPT and genetic counseling at our hospital
Saki Nakamizo, Mao Sakura, Emi Arai, Tomohiro Shigematsu, Yuichiro Tateno, Yuuka Nakagawa, Mitsuru Tsuji, Kureha Tajima, Haruka Maneyama, Saori Unno, Takako Amemiya, Shinich Nagaoka, Shiho Hidaka, Makoto Asano, Akiko Takahashi, Rie Oi, Sawako Takeuchi, Misako Iwata (Department of Obstetrics and Gynecology, Tokyo Metropolitan Ohtsuka Hospital)
[P2-01-4]Two cases of congenital myotonic dystrophy type 1 suspected prenatally following maternal diagnosis during pregnancy
Kohei Mori1, Hasumi Tomita1, Kazuma Tagami1, Minako Miyazoe1, Tsukasa Takahashi1, Hirotaka Hamada1, Mari Tadakawa1, Noriyuki Iwama1, Kimihiko Kaneko2, Yoshie Sakurai3, Shinpei Watanabe3, Mari Tsubata4, Yoko Aoki4, Masatoshi Saito1 (1.Department of Obstetrics, Tohoku University Hospital, Sendai, Japan, 2.Department of Neurology, Tohoku University Hospital, Sendai, Japan, 3.Department of Neonatology, Tohoku University Hospital, Sendai, Japan, 4.Department of Medical Genetics, Tohoku University Hospital, Sendai, Japan)
[P2-01-5]Obstetric management of pregnancy complicated by osteogenesis imperfecta: A case report
Kensaku Nakai1, Kohei Kitada2, Yasushi Kurihara2, Mie Tahara2,3, Akihiro Hamuro2, Takuya Misugi2, Akemi Nakano2, Junko Hotta3, Kosuke Ito3, Chie Ono3, Yukiko Jogu3, Yuki Fujiwara3, Toshiyuki Seto3, Daisuke Tachibana2, Toshiyuki Sumi4 (1.Department of Obstetrics and Gynecology, Izumiotsu Womenʼs and Childrenʼs Hospital, Izumiotsu City, Japan, 2.Department of Obstetrics and Gynecology, Osaka Metropolitan University, 3.Department of Clinical Genomics, Osaka Metropolitan University Hospital, 4.Department of Obstetrics and Gynecology, Osaka Metroplitan University)
[P2-01-6]Non-Invasive Prenatal Fetal RhD Genotyping Using Maternal Blood: Toward Clinical Application
Ken Takahashi1,2,3, Noriko Ito1, Asuka Hori1, Osamu Samura2, Aikou Okamoto2, Yuka Okazaki3, Aiko Sasaki3, Seiji Wada3, Kenichiro Hata1,4, Kazuhuiko Nakabayashi1 (1.Department of Maternal-Fetal Biology, National Research Institute for Child Health and Development, Tokyo, Japan, 2.Department of Obstetrics and Gynecology, The Jikei University School of Medicine, Tokyo, Japan, 3.Center for Maternal-Fetal-Neonatal and Reproductive Medicine, National Center for Child Health and Development, Tokyo, Japan, 4.Department of Human Molecular Genetics Gunma University Graduate School of Medicine)
[P2-01-7]A rare case of double trisomy due to a Robertsonian translocation between chromosomes 14 and 22
Takafumi Okusa, Kenji Horie, Tetsuro Shimada, Ami Kobayashi, Mizuho Sugiyama, Manabu Ogoyama, Hirotada Suzuki, Hironori Takahashi, Hiroyuki Fujiwara (Department of Obstetrics and Gynecology, Jichi Medical University)
[P2-01-8]Prenatal testing initiatives at our hospital
Takanori Fukuda, Hiroshi Yoshida, Hiromi Inoue, Kazuya Onuma, Shinji Takahashi, Yoshie Uzawa, Ryo Aoyagi, Manayo Matsumoto, Masaaki Nishiki, Masato Yasuda, Tomomi Sakamoto (The Department of Obstetrics and Gynecology, Shonankamakura General Hospital, Kanagawa, Japan)
[P2-01-9]A Case of Prader-Willi Syndrome with Normal Antenatal Cardiotocography: A Phenotypic Insight into Methylation-Type PWS
Yoshiki Maeda1, Mako Atsumi1, Masato Teshima1, Miki Kin1, Yuka Inai1, Daiki Wakisaka1, Tokihiro Senda1, Eri Ushida2, Tomoaki Maji2, Eiji Kondo4, Tomoaki Ikeda3 (1.Department of Obstetrics and Gynecology, Kuwana City Medical Center, 2.Pediatrics, Kuwana City Medical Center, 3.Saiseikai Matsusaka General Hospital, Obstetrics and Gynecology, 4.Mie University Hospital, Obstetrics and Gynecology)
[P2-01-10]Trends and Impact of Non-invasive Prenatal Testing and Amniocentesis over Time at a Single Institution
Takashi Horinouchi1, Megumi Muto1, Sanae Numata3, Tomoya Sudo4, Hironobu Kashiwada1, Aki Tetsuo1, Mai Azakami1, Yu Okamura1, Kunio So1, Takahiro Shimizu1, Masato Yokomine1, Yoriko Watanabe2, Naotake Tsuda1 (1.Department of Obstetrics and Gynecology, Kurume University Hospital, Fukuoka, Japan, 2.Department of Pediatrics, Kurume University Hospital, Fukuoka, Japan, 3.Department of Cancer Center/Genetic Division, Kurume University Hospital, Fukuoka, Japan, 4.Department of Surgery, Kurume University Hospital, Fukuoka, Japan)
[P2-01-11]Trends and Future Issues in NIPT and Amniocentesis at Our Hospital
Takashi Nagai, Yorika Kato, Misaki Takenaka, Arina Sato, Mako Kobayashi, Keita Kuroda, Yuko Suzuki, Ayako Osafune, Tomokazu Umezu (Department of Obstetrics and Gynecology, Kariya Toyota General Hospital, Aichi, Japan)
[P2-01-12]Prenatal Diagnosis of 4p Deletion Syndrome (Wolf-Hirschhorn Syndrome) in a Fetus
Takashi Hashimoto1, Toshiro Ikeda2, Takashi Ijuin1, Masaya Kibe3, Takatsugu Maeda1, Masato Kamitomo1 (1.Department of Obstetrics and Gynecology, Kagoshima City Hospital, Kagoshima, Japan, 2.Genetic Counseling Room, Kagoshima University Hospital, 3.Department of Neonatology, Kagoshima City Hospital)
[P2-01-13]Spontaneous pregnancy and vaginal delivery in a patient with 45,X/47,XXX mosaic Turner syndrome: case report
Tomohiro Yoshida1, Mie Tahara2,3, Taiki Kikuchi2, Shotaro Yamamoto2, Kohei Kitada2, Yasushi Kurihara2, Akihiro Hamuro2, Takuya Misugi2, Akemi Nakano2, Chie Ono3, Yukiko Jogu3, Yuki Fujiwara3, Toshiyuki Seto3, Daisuke Tachibana2, Toshiyuki Sumi4 (1.Department of Obstetrics and Gynecology, PL Hospital, 2.Department of Obstetrics and Gynecology, Osaka Metropolitan University, 3.Department of Clinical Genomics, Osaka Metropolitan University Hospital, 4.Department of Obstetrics and Gynecology, Osaka Metropolitan University)
[P2-01-14]A study of cases of mosaicism in amniocentesis performed at our hospital over a 10-year period
Akiko Itakura1, Hitoshi Isohata1, Yoshihiro Yoshimura1, Masako Honda1, Yoko Onishi1, Naomi Araki2, Daigo Ochiai1, Fumio Takada2 (1.Department of Obstetrics and Gynecology, Kitasato University School of Medicine, Kanagawa, Japan, 2.Division of Genetics, Kitasato University Hospital, Kanagawa, Japan)
[P2-01-15]A Case of Tonne-Kalscheuer Syndrome Diagnosed by Trio Exome Sequencing After Stillbirth
Yoshitaka Shiraishi1, Sho Tano1, Seiko Matsuo1, Kazuya Fuma1, Satoru Katsuki1, Tatsuo Inamura1, Risa Hishikawa1, Sumire Fujito1, Takahiro Shibata1, Mei Kubokawa1, Komei Katayama1, Kensaku Furui1, Miki Hatakeyama2, Tomomi Kotani3, Takafumi Ushida1, Hiroaki Kajiyama1 (1.Department of Obstetrics and Gynecology, Nagoya University Graduate School of Medicine, Nagoya, Aichi, Japan, 2.Department of Genetic Counseling, Medical Genomics Center, Nagoya University Hospital, Nagoya, Aichi, Japan, 3.Department of Obstetrics and Gynecology, Hamamatsu University School of Medicine, Hamamatsu, Shizuoka, Japan)
[P2-01-16]A Case of Genetic Counseling and Prenatal Diagnosis for a Couple with a Child Affected by STXBP1-Related West Syndrome
Yumi Nakao1, Tsuyoshi Takiuchi1,2, Ayumi Yonei3, Kenichi Yamamoto3, Yuki Yasui1, Hiromu Okaki1, Sohmi Kin1, Mari Tabuse1, Eriko Hamamoto1, Saori Tsuji1, Koyo Yamamoto1, Mika Handa1, Aiko Okada1, Erika Nakatsuka1, Tatsuya Miyake1, Mahiru Kawano1, Kazuya Mimura1,3 (1.Department of Obstetrics and Gynecology, The University of Osaka Hospital, Japan, 2.Department of Clinical Genomics, The University of Osaka Hospital, 3.Department of Genetic Counseling, The University of Osaka Hospital)
