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Multiplexed Fluorescent Immunohistochemical Staining of Four Endometrial Immune Cell Types in Recurrent Miscarriage
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Risk of recurrent stillbirth: a cohort study.

S L Wood1, S Tang2

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BJOG : an International Journal of Obstetrics and Gynaecology
|April 10, 2021
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Summary
This summary is machine-generated.

Stillbirth recurrence is rare, particularly antepartum stillbirth. However, intrapartum stillbirth carries a high recurrence risk, though prevention remains challenging.

Keywords:
Cohort studystillbirth

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Area of Science:

  • Obstetrics and Gynecology
  • Perinatal Medicine
  • Reproductive Health

Background:

  • Stillbirth, defined as fetal death at ≥20 weeks gestation or ≥500g, impacts many families.
  • Understanding recurrence risk is crucial for reproductive counseling and management.
  • Previous studies have yielded varying estimates of stillbirth recurrence.

Purpose of the Study:

  • To evaluate the recurrence risk of stillbirth.
  • To differentiate recurrence risks based on timing (antepartum vs. intrapartum) and fetal growth.
  • To inform clinical management and surveillance strategies.

Main Methods:

  • Retrospective cohort study utilizing birth data from Alberta, Canada (1992-2017).
  • Inclusion of all births, identifying women with stillbirths.
  • Analysis of recurrence risk for subsequent pregnancies based on the characteristics of the first stillbirth.

Main Results:

  • Stillbirth recurrence was infrequent, with 97.7% of women experiencing only one stillbirth.
  • A first birth small-for-gestational-age stillbirth significantly increased antepartum stillbirth risk (RR 10.39).
  • Intrapartum stillbirth demonstrated a very high recurrence risk (RR 36.50).

Conclusions:

  • Recurrent antepartum stillbirth risk is generally low and not clinically significant unless growth restriction is present.
  • Fetal surveillance for low-risk antepartum stillbirth may not be effective and could lead to interventions.
  • Intrapartum stillbirth has a high recurrence rate, but prevention strategies are uncertain.