Article
Prenatal Screening for Down's Syndrome with Use of Maternal Serum Markers
27 Aug 1992
Abstract excerpt
BACKGROUND: Approximately 35 percent of all cases of Down's syndrome in fetuses can be detected by measuring maternal serum alpha-fetoprotein during the second trimester in the general population of pregnant women. Recent case-control studies indicate that this detection rate could be approximately doubled by measuring serum levels of unconjugated estriol and chorionic gonadotropin, which are abnormally low and...
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