Prenatal diagnosis and molecular cytogenetic characterization of a pure ring chromosome 21 with a 4.657-Mb 21q22.3 deletion

Objective: We present diagnosis and molecular cytogenetic characterization of a pure ring chromosome [r(21)] with a 4.657-Mb 21q22.3 deletion. Case report: A 44-year-old woman underwent amniocentesis at 18 weeks of gestation because of advanced maternal age. Amniocentesis revealed a karyotype 46,XX,...

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Bibliographic Details
Main Authors: Chih-Ping Chen, Liang-Kai Wang, Schu-Rern Chern, Peih-Shan Wu, Shin-Wen Chen, Fang-Tzu Wu, Yun-Yi Chen, Dai-Dyi Town, Wayseen Wang
Format: Article
Language:English
Published: Elsevier 2021-01-01
Series:Taiwanese Journal of Obstetrics & Gynecology
Subjects:
Online Access:http://www.sciencedirect.com/science/article/pii/S1028455920303004