4.6 Article

Reproductive risks in 35-year-old adults born very preterm and/or with very low birth weight: an observational study

Journal

EUROPEAN JOURNAL OF PEDIATRICS
Volume 180, Issue 4, Pages 1219-1228

Publisher

SPRINGER
DOI: 10.1007/s00431-020-03864-5

Keywords

Reproduction; Very preterm; Very low birth weight; Preterm-born adults

Categories

Funding

  1. TNO
  2. EU-project RECAP-preterm - European Union research and innovation program Horizon 2020 [733280]

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The reproduction process is more problematic for individuals born VPT/VLBW at 35 years old, with lower fertility rates, higher risks for conception problems and pregnancy complications, but their offspring do not have an increased risk for preterm birth.
Evidence suggests that increased survival over the last decades of very preterm (VPT; gestational age < 32 weeks)- and very low birth weight (VLBW; birth weight < 1500 g)-born infants is not matched by improved outcomes. The objective of our study was to evaluate the reproductive rate, fertility, and pregnancy complications in 35-year-old VPT/VLBW subjects. All Dutch VPT/VLBW infants born alive in 1983 and surviving until age 35 (n = 955) were eligible for a POPS-35 study. A total of 370 (39%) subjects completed a survey on reproductive rate, fertility problems, pregnancy complications, and perinatal outcomes of their offspring. We tested differences in these parameters between the VPT/VLBW subjects and their peers from Dutch national registries. POPS-35 participants had less children than their peers in the CBS registry. They reported more problems in conception and pregnancy complications, including a three times increased risk of hypertension during pregnancy. Conclusion: Reproduction is more problematic in 35-year olds born VPT/VLBW than in the general population, possibly mediated by an increased risk for hypertension, but their offspring have no elevated risk for preterm birth.

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