Prenatal diagnosis of low-level mosaicism for trisomy 21 by amniocentesis in a pregnancy associated with maternal uniparental disomy of chromosome 21 in the fetus and a favorable outcome

• Main Authors: Chih-Ping Chen (Author), Tsang-Ming Ko (Author), Yi-Yung Chen (Author), Schu-Rern Chern (Author), Peih-Shan Wu (Author), Shin-Wen Chen (Author), Fang-Tzu Wu (Author), Yun-Yi Chen (Author), Wen-Lin Chen (Author), Chen-Wen Pan (Author), Wayseen Wang (Author)
• Format: Book
• Published: Elsevier, 2020-09-01T00:00:00Z.
• Subjects: article
• Online Access: Connect to this object online.

Objective: We present perinatal molecular cytogenetic analysis of low-level mosaicism for trisomy 21 in a pregnancy with maternal uniparental disomy (UPD) of chromosome 21 in the fetus. Case report: A 39-year-old woman underwent amniocentesis at 17 weeks of gestation because of advanced maternal age...