Screening for genetic abnormality

Abstract
Screening for genetic and congenital abnormalities during pregnancy has developed over the past 10–15 years from a concept to an established aspect of modern obstetric management in response to the declining importance of other causes of infant and perinatal mortality and morbidity. This review will consider why screening is indicated for this group of conditions, the criteria for any screening programme and the current impact of prenatal screening.
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