A female has previous child with congenital adrenal hyperplasia. In the present pregnancy, steroid therapy should be staed -
After karyotyping and determination of sex of the baby
At the time of delivery
Before conception
As soon as pregnancy is diagnosed
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.