1 MCQs in Pathology for NEET PG
A 34-year-old pregnant woman at 12 weeks gestation undergoes chorionic villus sampling (CVS) after abnormal first-trimester screening. CVS shows trisomy 16 in 75% of cultured villus cells, but confirmatory amniocentesis at 16 weeks reveals a normal 46,XX karyotype in all amniocytes. Postnatal testing confirms the infant has a normal karyotype in peripheral blood and skin fibroblasts, but the pregnancy was complicated by severe intrauterine growth restriction with delivery at 34 weeks. The condition illustrated by structure **A** in the diagram represents which of the following pathophysiological mechanisms?
Ready to test yourself?
Test your Pathology knowledge with AI-powered MCQs and detailed explanations — no signup required to try.
Sign up free and practice all 1 Confined Placental Mosaicism - CVS vs Fetal Karyotype Discordance MCQs with AI-powered explanations tailored to your performance.
Create Free Account