A double uterus, also known as a didelphys uterus, is a rare condition in which a woman has duplication of the uterus. Although the exact reason why this congenital abnormality develops is unknown, it represents a lack of fusion of early embryonic structures.
Double uterus with no signs or symptoms, treatment is rarely needed. Surgery to unite a double uterus is rarely done ? although surgery may help you sustain a pregnancy if you have a partial division within your uterus and no other medical explanation for a previous pregnancy loss.