Uterine didelphys is a congenital uterine anomaly that consists of the formation of two small uteruses. When the Müllerian ducts don't fuse together completely during the formation of the female reproductive system, the result is uterine didelphys.
There exist two types of uterine didelphys:
- Uterus didelphys bicollis
- Each uterine cavity has its own cervix and vagina.
- Uterus didelphys unicollis
- Both uteruses are connected to each other in the cervix and there is only one vagina.
This uterine anomaly is related to recurrent miscarriage, as it can cause cervical incompetence or cervical insufficiency.