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Maternal serum α-fetoprotein, β-human chorionic gonadotropin, and unconjugated estriol levels in midtrimester trisomy 18 pregnancies

✍ Scribed by Greenberg, Frank; Schmidt, Deborah; Darnule, Asha T.; Weyland, Barbara R.; Rose, Esmie; Alpert, Elliot


Book ID
122903625
Publisher
Elsevier Science
Year
1992
Tongue
English
Weight
661 KB
Volume
166
Category
Article
ISSN
1097-6868

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## Objective: To determine if women experiencing an unexplained elevated maternal serum alpha fetoprotein (msafp; > or =2.0 mom) or human chorionic gonadotropin (hcg; > or =2.0 mom), or low unconjugated estriol (e3; < or =0.5 mom) in one pregnancy are at increased risk for similar results in a subs