Risk of peripartum hysterectomy in births after assisted reproductive technology

Authors:
Antonella Cromi, Ph.D., Ilario Candeloro, M.D., Nicola Marconi, M.D., Jvan Casarin, M.D., Maurizio Serati, M.D., Massimo Agosti, M.D., Fabio Ghezzi, M.D.

Abstract:

Objective:
To investigate whether women who conceive after assisted reproductive technology (ART) are at higher risk for emergency peripartum hysterectomy.

Design:
A case–control study using a prospectively maintained institutional database.

Setting:
A tertiary referral university teaching maternity hospital.

Patient(s):
Thirty-one women who underwent peripartum hysterectomy for management of hemorrhage, and 19,902 control women.

Intervention(s):
None.

Main Outcome Measure(s):
Association between potential predictors and peripartum hysterectomy.

Result(s):
The incidence of peripartum hysterectomy was 1.7 cases per 1,000 births (95% confidence interval [CI] 1.2–2.4). After adjustment for maternal age and twin pregnancy, placenta previa (odds ratio [OR] 50.78, 95% CI 23.30–110.68), prior cesarean delivery (OR 6.72, 95% CI 2.99–15.09 for one cesarean; OR 6.80, 95% CI 1.45–31.90 for two or more cesareans), previous myomectomy (OR 24.59, 95% CI 6.70–90.19), and ART conception (OR 5.98, 95% CI 2.18–16.40) were all antenatal predictors for peripartum hysterectomy. In women having a peripartum hysterectomy, 13.4% of the risk is attributable to mode of conception.

Conclusion(s):
A history of ART increases the likelihood of needing a peripartum hysterectomy to control hemorrhage. Further investigation is needed to determine whether ART conception should be included in algorithms of risk stratification for emergency cesarean hysterectomy and plan of care be modified accordingly.

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