Article ID Journal Published Year Pages File Type
3932687 Fertility and Sterility 2011 4 Pages PDF
Abstract

The maternal serum levels of pregnancy-associated plasma protein-A (PAPP-A) were reduced in hormonally stimulated pregnancies in the in vitro fertilization and intracytoplasmic sperm injection groups (N = 176; PAPP-A: 0.82) and in the entire assisted reproduction group (N = 282; PAPP-A: 0.83) as compared with controls (N = 24,783; PAPP-A: 0.94). However, the false-positive rate of first-trimester combined screenings was not statistically significantly increased in assisted reproduction pregnancies after adjustment for maternal age.

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