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Am J Obstet Gynecol. 2005 Sep;193(3 Pt 2):965-72.

A sister's risk: family history as a predictor of preeclampsia.

Author information

1
Division of Maternal-Fetal Medicine, Department of Obstetrics & Gynecology, University of Washington, Seattle, USA.

Abstract

OBJECTIVE:

The purpose of this study was to determine if women with preeclampsia are more likely to have a sister who also had preeclampsia.

STUDY DESIGN:

This was a population-based case-control study using data from Washington (WA) state birth certificates linked to hospital discharge records. Cases were women with gestational hypertension (n = 1611) or preeclampsia (n = 1071); controls (n = 8041) had normotensive pregnancies. All women delivered their first child between 1987 to 2002 and had a sister with a previous delivery in WA.

RESULTS:

Women with preeclampsia were 2.3 times (95%CI 1.8-2.9) more likely to have a sister who had preeclampsia; those with gestational hypertension were 1.6 times (95%CI 1.3-2.0) more likely to have a sister with gestational hypertension. Similar results were obtained following stratification by age, race, smoking status, or body mass index.

CONCLUSION:

The greater likelihood of preeclampsia among sisters of women with a previous preeclamptic pregnancy is consistent with a pathophysiologic role for genetic and/or behavioral factors that cluster in families.

PMID:
16157095
DOI:
10.1016/j.ajog.2005.06.034
[Indexed for MEDLINE]

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