• Carolyn R Jaslow and William H Kutteh.
• Department of Biology, Rhodes College, Memphis, Tennessee, USA.
• Fertil. Steril. 2013 Jun 1; 99 (7): 1916-22.e1.

ObjectiveTo determine whether a prior live birth or an increase in number of miscarriages impacted the prevalence of congenital or acquired uterine anomalies in women with predominantly early recurrent miscarriage (RM).DesignSingle-center, cross-sectional study.SettingPatients with RM at a private practice.Patient(S)Eight hundred seventy-five women who had two or more consecutive miscarriages.Intervention(S)None.Main Outcome Measure(S)Frequencies of congenital uterine anomalies (bicornuate, didelphic, septate, t-shaped, and unicornuate uteri) and acquired uterine anomalies (fibroids, polyps, and adhesions).Result(S)A uterine anomaly was identified in 169 (19.3%) of the patients. Patients with primary RM were more likely to have congenital anomalies than patients with secondary RM, particularly septa. The occurrence of a prior live birth, however, did not influence the frequency of acquired uterine anomalies, which were detected in equal frequencies in patients with three or more miscarriages when compared with patients with only two miscarriages.Conclusion(S)Although RM patients with a prior viable birth are less likely to have a uterine anomaly than those who have never given birth, our results support a recommendation for diagnostic imaging of the uterus after two losses in women with secondary RM as well as for those with primary RM.Copyright © 2013 American Society for Reproductive Medicine. Published by Elsevier Inc. All rights reserved.

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