Types of uterine malformations A<unk>  develops during embryogenesis. It occurs when the proximal (upper) portion of the paramesonephric ducts does not fuse, but the distal portion that develops into the lower uterine segment, cervix, and upper vagina fuses normally.
Bicornuate uterus
Unicornuate uterus
Arcuate uterus
Couvelaire uterus
T-shaped uterus
Retroverted uterus
Ectopic decidua
Peritoneal inclusion cyst