Uterine fibroids are benign tumors that can affect pregnancy and may cause miscarriage, affect fetal position, increase postpartum hemorrhage, and increase the risk of uterine rupture during pregnancy. 1. Causing miscarriage, etc.: Larger fibroids may affect the shape of the uterine cavity, as well as the endometrium and the placenta, which may easily lead to miscarriage, preterm labor, placenta previa, premature rupture of membranes, and so on. 2. Affecting the fetal position: if the fibroids are in a low position, it is likely to affect the fetal position in late pregnancy, and it may also affect the birth canal, making it difficult to have a normal delivery. 3. Increase the risk of postpartum hemorrhage: uterine fibroids may also affect uterine contraction after delivery, increasing the risk of postpartum hemorrhage. 4. Increase the risk of uterine rupture during pregnancy: After myomectomy, the scar tissue on the uterus may increase the risk of uterine rupture as well as placental implantation. Therefore, if you find uterine fibroids, you must go to the hospital in time and follow the doctor’s instructions to deal with the treatment, so as not to affect your body.