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  • Title: The association of parity with mortality outcomes among triplets.
    Author: Salihu HM, Aliyu MH, Rouse DJ, Kirby RS, Alexander GR.
    Journal: Am J Obstet Gynecol; 2004 Mar; 190(3):784-9. PubMed ID: 15042015.
    Abstract:
    OBJECTIVE: The purpose of this study was to evaluate the association of parity with stillbirth and neonatal and infant death among triplets. STUDY DESIGN: This was a retrospective cohort study of 15,930 triplets who were delivered in the United States between 1995 and 1997. Infants of nulliparous mothers were compared with infants of multiparous mothers. Adjusted relative risks for death by parity were computed with the use of the generalized estimating equations framework. RESULTS: The likelihood for stillbirth (odds ratio, 3.40; 95% CI, 2.20-5.26) was significantly greater among nulliparous mothers. Neonatal (odds ratio, 1.17; 95% CI, 0.95-1.43) and infant mortality rates (odds ratio, 1.10; 95% CI, 0.92-1.32) were comparable, however. With an increase in parity, there was a consistent declining trend in the risk for stillbirth (P<.0001). CONCLUSION: Nulliparity more than triples the risk for intrauterine fetal death among triplets. This parity-related disparity underscores the need for care providers to be particularly concerned about triplet gestations among nulliparous mothers.
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