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Predicting Live Birth, Preterm Delivery, and Low Birth Weight in Infants Born from In Vitro Fertilisation: A Prospective Study of 144,018 Treatment Cycles

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  • Scott M Nelson
  • Debbie A Lawlor

Abstract

Using the HFEA database of all 144,018 live births in all IVF cycles in the UK between 2003 and 2007, Scott Nelson and Debbie Lawlor show that couple- and treatment-specific factors can be used to help predict successful outcome following IVF.Background: The extent to which baseline couple characteristics affect the probability of live birth and adverse perinatal outcomes after assisted conception is unknown. Methods and Findings: We utilised the Human Fertilisation and Embryology Authority database to examine the predictors of live birth in all in vitro fertilisation (IVF) cycles undertaken in the UK between 2003 and 2007 (n = 144,018). We examined the potential clinical utility of a validated model that pre-dated the introduction of intracytoplasmic sperm injection (ICSI) as compared to a novel model. For those treatment cycles that resulted in a live singleton birth (n = 24,226), we determined the associates of potential risk factors with preterm birth, low birth weight, and macrosomia. The overall rate of at least one live birth was 23.4 per 100 cycles (95% confidence interval [CI] 23.2–23.7). In multivariable models the odds of at least one live birth decreased with increasing maternal age, increasing duration of infertility, a greater number of previously unsuccessful IVF treatments, use of own oocytes, necessity for a second or third treatment cycle, or if it was not unexplained infertility. The association of own versus donor oocyte with reduced odds of live birth strengthened with increasing age of the mother. A previous IVF live birth increased the odds of future success (OR 1.58, 95% CI 1.46–1.71) more than that of a previous spontaneous live birth (OR 1.19, 95% CI 0.99–1.24); p-value for difference in estimate

Suggested Citation

  • Scott M Nelson & Debbie A Lawlor, 2011. "Predicting Live Birth, Preterm Delivery, and Low Birth Weight in Infants Born from In Vitro Fertilisation: A Prospective Study of 144,018 Treatment Cycles," PLOS Medicine, Public Library of Science, vol. 8(1), pages 1-11, January.
    • Handle: RePEc:plo:pmed00:1000386
    DOI: 10.1371/journal.pmed.1000386
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    Cited by:

    1. Inhorn, Marcia C. & Birenbaum-Carmeli, Daphna & Patrizio, Pasquale, 2017. "Medical egg freezing and cancer patients’ hopes: Fertility preservation at the intersection of life and death," Social Science & Medicine, Elsevier, vol. 195(C), pages 25-33.
    2. Watt, Amber M. & Elshaug, Adam G. & Willis, Cameron D. & Hiller, Janet E., 2011. "Assisted reproductive technologies: A systematic review of safety and effectiveness to inform disinvestment policy," Health Policy, Elsevier, vol. 102(2), pages 200-213.

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