Ideal time for doing quadruple test:: (A) 8 - 12 weeks, (B) 11- 15 weeks, (C) 15 - 21 weeks, (D) 20- 22 weeks
Answer is C. Quadruple test : It includes alpha-fetoprotein (AFP) human chorionic gonadotropin (hCG) unconjugated estriol (uE3) inhibin A . Ideal time to do quadruple test is 15-21 weeks