Fibroids Uterine Fibroids A fibroid is a noncancerous tumor of the uterus that is composed of muscle and fibrous tissue. Uterine fibroids are very common, occurring in approximately 70% of White women and 80% of Black... read more in the uterus, which are relatively common masses, often do not cause symptoms, or they may cause pressure or pain. Fibroids during pregnancy may increase risk of the following:
Abnormal presentation Fetal Presentation, Position, and Lie (Including Breech Presentation) During pregnancy, the fetus can be positioned in many different ways inside the mother's uterus. The fetus may be head up or down or facing the mother's back or front. At first, the fetus can... read more of the fetus
Bleeding during or after delivery Excessive Uterine Bleeding at Delivery Excessive bleeding from the uterus refers to loss of more than 2 pints of blood or symptoms of significant blood loss that occur within 24 hours after childbirth. After the baby is delivered... read more (postpartum hemorrhage)
Rarely, interference with the movement of the fetus through the vagina during labor
If women who have fibroids and have had a miscarriage or women who have large fibroids are thinking of becoming pregnant, they should talk with their doctor first. Then if needed, they can be treated before they become pregnant.