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Mouse Model of Surgical Uterine Injury and Subsequent Pregnancy Outcomes
04:08

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Published on: June 27, 2025

Recurring complications in second pregnancy.

Jacob Alexander Lykke1, Michael J Paidas, Jens Langhoff-Roos

  • 1From the Department of Obstetrics, Rigshospitalet, Copenhagen, Denmark; and Department of Obstetrics, Gynecology, and Reproductive Science, Yale Women and Children's Center for Blood Disorders, Yale University School of Medicine, New Haven, Connecticut.

Obstetrics and Gynecology
|May 23, 2009
PubMed
Summary
This summary is machine-generated.

Previous preterm delivery or preeclampsia significantly increases risks in a second pregnancy. Severe complications in the first pregnancy further elevate the likelihood of adverse outcomes in subsequent pregnancies.

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Published on: September 5, 2011

Area of Science:

  • Obstetrics and Gynecology
  • Perinatal Medicine
  • Reproductive Health

Background:

  • First pregnancy complications like spontaneous preterm delivery and preeclampsia have known risks.
  • Fetal growth variations can impact pregnancy outcomes.
  • Understanding recurrence risks is crucial for maternal and infant health.

Purpose of the Study:

  • To investigate obstetric outcomes in a second pregnancy following a first singleton pregnancy complicated by spontaneous preterm delivery or preeclampsia.
  • To stratify these risks based on variations in fetal growth during the first pregnancy.

Main Methods:

  • Registry-based cohort study of 536,419 women with first and second singleton deliveries in Denmark (1978-2007).
  • Exposures included preterm delivery, preeclampsia, and fetal growth.
  • Endpoints assessed were placental abruption and stillbirth after 20 weeks of gestation.
  • Chi-squared and t-tests were used for statistical comparisons.

Main Results:

  • Spontaneous preterm delivery in the first pregnancy increased the risk of preterm delivery (OR 6.12) and preeclampsia (OR 1.60) in the second pregnancy.
  • Delivery before 28 weeks in the first pregnancy elevated the risk of a second preterm delivery (OR 13.1) and preeclampsia (OR 2.96).
  • Preeclampsia in the first pregnancy (32-36 weeks) increased the risk of preeclampsia (OR 2.08) and small for gestational age infant (OR 2.82) in the second pregnancy.
  • Fetal growth 2-3 standard deviations below mean in the first pregnancy increased preeclampsia risk (OR 1.62) in the second.

Conclusions:

  • Spontaneous preterm delivery, preeclampsia, and fetal growth deviations show a tendency to recur in subsequent pregnancies.
  • These conditions can predispose to each other.
  • The severity of complications in the first pregnancy significantly amplifies these recurrence risks.