Gynaecology & Obstetrics Investigation of choice in a pregnant lady at 16 weeks of pregnancy with past H/0 delivering a baby with Downs syndrome: A Triple screen test B Amniocentesis C Chorionic villous sampling D USG 💡 Explanation Investigation of choice in a pregnant lady at 16 weeks of pregnancy with past H/0 delivering a baby with Downs syndrome: ✓ Correct Answer: B. Amniocentesis