Incidence of Down's syndrome is directly proportional to
Ans. c (Maternal age). (Ref. Harrison, Internal Medicine, 16th ed., 383)The incidence of Down ys syndrome is highly correlated to maternal age.QUADRUPLE TEST FOR DOWN'S SYNDROME# AFP |# beta-HCG |# Unconjugated estriol |# Human placental lactogen/placental protein A |
Parity
Consanguinity
Maternal age
Mutations
Genetics