The best period of gestation to carry out chorion villous biopsy for prenatal diagnosis is?
Chorionic villus sampling (CVS) is carried out transcervical between 10-12 weeks and trans-abdominal from 10 weeks to term. Ref:Textbook of Gynecology By D C Dutta, 5th Edition, Page 315
8-10 weeks
10-12 weeks
12-14 weeks
14-16 weeks