Unexpected finding of uniparental disomy mosaicism in term placentas: Is it a common feature in trisomic placentas?

摘要

ObjectiveNon‐invasive prenatal testing (NIPT) detects placental chromosome aberrations. When amniocentesis reveals a normal karyotype, confined placental mosaicism (CPM) may be assumed. In order to confirm this, placental cytogenetic studies were performed.