Four types of uterine malformations The condition may not be known to the affected individual and not result in any reproductive problems; thus normal pregnancies may occur. In more serious cases have reported high infertility rates. However, it is associated with a higher risk for miscarriage, premature birth, and malpresentation. According to the classical study by Buttram there is a 60% risk of a spontaneous abortion, this being more common in the second than in the first trimester. However, there is no agreement on this number and other studies show a lower risk. Woelfer found that the miscarriage risk is more pronounced in the first trimester. The condition is also associated with abnormalities of the renal system. Further, skeletal abnormalities have been linked to the condition.
Uterine septum
Vaginal septum
Arcuate uterus
Ectopic decidua
Circumvallate placenta
Couvelaire uterus
Uterine inversion
Bicornuate uterus