Even before woman becomes pregnant, parents-to-be wonder about the health of their future child. This natural concern is why prenatal screening for fetal disorders has attracted considerable attention over the past few years. The interest is both professional & personal. The promise of foretelling the health of the developing baby puts new demands on the clinical laboratories, obstetricians and patients alike. Obstetricians and gynecologists prefer to liaison with the clinical laboratories that provide accurate clinical information with the help of screen program.