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  • Title: First-trimester maternal serum PAPP-A and free-beta subunit human chorionic gonadotropin concentrations and nuchal translucency are associated with obstetric complications: a population-based screening study (the FASTER Trial).
    Author: Dugoff L, Hobbins JC, Malone FD, Porter TF, Luthy D, Comstock CH, Hankins G, Berkowitz RL, Merkatz I, Craigo SD, Timor-Tritsch IE, Carr SR, Wolfe HM, Vidaver J, D'Alton ME.
    Journal: Am J Obstet Gynecol; 2004 Oct; 191(4):1446-51. PubMed ID: 15507981.
    Abstract:
    OBJECTIVE: The purpose of this study was to determine whether maternal serum levels of pregnancy-associated plasma protein A, free-beta subunit human chorionic gonadotropin, or nuchal translucency size are associated with obstetric complications. STUDY DESIGN: Data were obtained from the First and Second Trimester Evaluation of Risk trial. Pregnancy-associated plasma protein A and free-beta subunit human chorionic gonadotropin levels were analyzed, and nuchal translucency was measured between 10 weeks 3 days and 13 weeks 6 days of gestation in 34,271 pregnancies. RESULTS: Women with pregnancy-associated plasma protein A of < or =5th percentile were significantly more likely to experience spontaneous fetal loss at < or =24 weeks of gestation, low birth weight, preeclampsia, gestational hypertension, preterm birth ( P < .001) and stillbirth, preterm premature rupture of membranes, and placental abruption ( P < .02). Nuchal translucency at > or =99th percentile and free-beta subunit human chorionic gonadotropin at < or =1st percentile were associated with an increased risk of spontaneous loss at < or =24 weeks of gestation (adjusted odds ratios, 3.90, 3.62, respectively; P < .001). CONCLUSION: Low pregnancy-associated plasma protein A levels in the first trimester were associated strongly with a number of adverse pregnancy outcomes. Low free-beta subunit human chorionic gonadotropin levels and large nuchal translucency were both associated with early fetal loss.
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