Gynaecology & Obstetrics Which of the following is done for screening of Down’s syndrome in first trimester? A Beta HCG and PAPP-A B Unconjugated estradiol and PAPPA C AFP and Inhibin A D AFP and Beta HCG 💡 Explanation Which of the following is done for screening of Down's syndrome in first trimester? ✓ Correct Answer: A. Beta HCG and PAPP-A