Uterine fibroid pregnancy a little bleeding take birth control medicine success rate is based on the pregnant woman in the process of birth control personal situation, uterine fibroids grow location size. If you have a little bleeding after pregnancy, if through the ultrasound examination of the intrauterine gestational sac in the development of the symptoms are considered to be the symptoms of preeclampsia, you need to take birth control medication as soon as possible, the success of the birth control is related to the following factors: 1. Personal situation of the pregnant woman: If the pregnant woman cooperates with the doctor in the process of fetal preservation by taking fetal preservation drugs, bed rest, etc., the amount of vaginal bleeding decreases, abdominal pain decreases, and the gestational sac is well developed through ultrasound, etc., it suggests that fetal preservation is successful. If the bleeding continues to increase, accompanied by abdominal pain, etc. during the process of abortion preservation, inevitable miscarriage may occur. 2. The location and size of fibroids: if the fibroids are large, or grow in the endometrium, etc., and bleed a little after pregnancy, the success rate of fertility preservation treatment is not very high. Fibroids grow outside the uterine lining, fibroids are relatively small, and vaginal bleeding gradually decreases after taking birth control pills, suggesting that the possibility of successful birth control is very high, and ultrasound is needed to determine this. There are uncertainties about the success rate of fertility preservation pills when you are pregnant with uterine fibroids, so it is recommended that you consult your doctor.