Epidemiology
The occurrence of all types of Müllerian duct abnormalities in women is estimated around 0.4%. A bicornuate uterus is estimated to occur in 0.1-0.5% of women in the U.S. It is possible that this is an underestimate since subtle abnormalities often go undetected. Some intersex individuals who by the look of their external genitalia are legally registered as male may nonetheless have a variably shaped uterus.
Read more about this topic: Bicornuate Uterus