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PHILADELPHIA -- The rate of prenatal ultrasound screening increased from 9% to 87% over a 25-year period in a study of 939 pregnant women with malformed fetuses and infants at a tertiary care hospital.
During the same time period, the rate of elective terminations increased by 38% among women carrying fetuses with fatal birth defects and by 41% among women carrying fetuses with severe handicaps.
"The introduction of routine prenatal screening has led to increased termination of pregnancies with malformations," Allyson Pellet said at the annual meeting of the Teratology Society.
"We believe that the surveillance of terminated pregnancies is imperative for epidemiologic research and health care planning," said Ms. Peller, a re searcher at the genetics and teratology unit in the pediatric service at Massachusetts General Hospital, Boston.
"If data on elected terminations is not included in birth defect surveillance--and sometimes it is not included--we cannot have a good idea of the actual prevalence of certain malformations and the effectiveness of our public health efforts to prevent birth defects," she said.
The study retrospectively analyzed data at 5-year intervals during ...