Fibroids Fibroids A fibroid is a noncancerous tumor composed of muscle and fibrous tissue. It is located in the uterus. Fibroids can cause pain, abnormal vaginal bleeding, constipation, repeated miscarriages... read more 
in the uterus, which are relatively common noncancerous tumors, may increase risk of the following:
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 of delivery. After the baby is delivered, excessive... 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.
