Reproductive performance in women with bicornuate uterus.

: The medical records of 21 patients with bicornuate uterus were analyzed. Thirteen patients did not undergo corrective surgery, whereas eight underwent metroplasty. The pregnancies in patients who did not undergo surgery, and the outcome evaluated. The outcome of pregnancies after corrective surgery was also analyzed. The cumulative pregnancy rates at 12 and 24 months were 67% and 95% in patients without surgical correction and 63% and 88% in patients after surgical correction. The probability of giving birth to a live-born infant with no corrective surgery was 30%, 58% and 79% for the first, second and third pregnancy respectively; the probability of giving birth to a live-born infant after corrective surgery was 71% for the first and 86% for the second pregnancy. Fertility is not impaired in patients with bicornuate uterus, but gestational capacity is. A prognostic estimate of the likelihood of giving birth to a live-born infant can be formulated according to the number of pregnancies and/or surgical correction.