A female has previous child with congenital adrenal hyperplasia. In the present pregnancy, steroid therapy should be staed -

Ans. is 'd' i.e., As soon as pregnancy is diagnosed o Recommendations for pregnancies ar risk of CAH consists of administration of dexamethasone (20 mg/kg). It staed by 6 weeks of gestation, this ameliorates the virilization of the external genitilia in affected females chrionic villus sampling is then performed to determine the sex and genotype of the fetus; therapy is continued only if the fetus is an affected female. o As pregnancy is diagnosed (by urine test) at around 6-8 weeks, so it should be the answer.