The efficacy of first-trimester PAPP-A and free beta hCG levels for predicting adverse pregnancy outcome.

Abstract:

OBJECTIVE:To determine whether first-trimester measurements of maternal serum PAPP-A and free beta hCG levels were associated with adverse pregnancy outcomes. STUDY DESIGN:First trimester maternal serum free beta hCG and PAPP-A were measured in 490 singleton pregnancies. Pregnancies were followed by the fetal-maternal unit, and predictive efficacy of these markers for small for gestational age (SGA) babies, gestational diabetes mellitus and hypertensive disorders were analyzed by cut-off values determined by using a ROC analysis, and also, by using the fifth percentile as the cut-off value. RESULTS:The sensitivities for PAPP-A in predicting pregnancies with a SGA baby and those complicated by a hypertensive disorder were 49% and 73%, respectively, when optimal cut-off values were used. Specificities were 76% and 65%, respectively. Serum free beta hCG had no predictive value for individual pregnancy outcomes. CONCLUSION:Efficacy of first trimester maternal serum markers in predicting adverse pregnancy outcome is low. Even after optimization of cut-off values, these markers do not appear to be clinically acceptable as an effective tool for screening for adverse pregnancy outcomes.

journal_name

J Perinat Med

authors

Kavak ZN,Basgul A,Elter K,Uygur M,Gokaslan H

doi

10.1515/JPM.2006.026

keywords:

subject

Has Abstract

pub_date

2006-01-01 00:00:00

pages

145-8

issue

2

eissn

0300-5577

issn

1619-3997

journal_volume

34

pub_type

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