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Are Women with a History of Low PAPP-A at Risk for Adverse Perinatal Outcomes in a Subsequent Pregnancy?

Are Women with a History of Low PAPP-A at Risk for Adverse Perinatal Outcomes in a Subsequent Pregnancy?

American Journal of Perinatology 36(6): 647-652

 To determine if patients with a history of low pregnancy-associated plasma protein A (PAPP-A) in an initial pregnancy are at higher risk for adverse obstetric outcomes in a subsequent pregnancy.  This was a retrospective cohort study in patients who underwent first trimester screening for PAPP-A in two consecutive pregnancies. Two groups were examined: patients who had low PAPP-A in the first pregnancy followed by normal PAPP-A in the second pregnancy and patients who had recurrent low PAPP-A. Maternal and neonatal outcomes were compared between the groups, with the primary outcome being intrauterine growth restriction (IUGR) or preeclampsia.  A total of 124 patients were included, representing 248 pregnancies. Ninety-two (74.2%) patients had normal PAPP-A in the second pregnancy, and 32 (12.9%) patients had recurrent low PAPP-A. Patients with recurrent low PAPP-A had a higher rate of IUGR or preeclampsia compared with patients with normal PAPP-A in the second pregnancy but this was not significantly different (12.5 vs. 10.9%, p = 0.51). There were no significant differences for all other outcomes.  Among patients with a history of low PAPP-A, patients with normal PAPP-A in the subsequent pregnancy have a similar risk of adverse neonatal outcomes compared with patients with recurrent low PAPP-A.

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Accession: 065700075

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PMID: 30336500

DOI: 10.1055/s-0038-1673651

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