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

Carr DB, Epplein M, Johnson CO, Easterling TR, Critchlow CW
Am J Obstet Gynecol. 2005 193 (3 Pt 2): 965-72

PMID: 16157095 · DOI:10.1016/j.ajog.2005.06.034

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.

MeSH Terms (10)

Body Mass Index Case-Control Studies Female Humans Hypertension, Pregnancy-Induced Pre-Eclampsia Pregnancy Siblings Smoking Washington

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