How thick is the scar for a normal birth?

If a woman's first child was delivered by caesarean section, if she has a second child, she must understand the scar. If the scar does not heal well, it will be very harmful to the pregnant woman if she has a second child. Generally speaking, when the thickness of the scar's muscle layer is about 0.5 cm, you can consider natural delivery. If the scar is not thick enough, you must be vigilant. If it is not handled properly, the harm will be relatively large.

1 How thick is the uterine scar for a normal birth?

Generally speaking, you can try to give birth if the thickness of the muscle layer at the uterine scar is about 0.5cm at the expected date of delivery. When expectant mothers with uterine scars give birth, if the scar thickness is not enough, it may tear, causing uterine rupture and postpartum hemorrhage. If not treated in time, it may endanger the life of the mother. Therefore, scar uterine pregnancy is usually delivered by caesarean section. If you want to have a natural birth, you need to meet the indicators for natural birth.

2 What conditions must be met for a normal birth with a uterine scar

1. Had one low transverse cesarean section (if a conventional or T-shaped incision or extensive transuterine fundus surgery has been performed, vaginal delivery is not suitable);

2. The transverse diameter of the pelvis should be large enough (generally required to be greater than 15 cm);

3. No history of uterine scarring or uterine rupture (it is not suitable if there have been two uterine scarrings and no vaginal delivery);

4. During the entire natural delivery period, doctors can be present at any time to monitor delivery and perform emergency cesarean sections;

5. Anesthesia can be given immediately and emergency cesarean section personnel can be on site at any time. Only when the above conditions are met and the doctor has examined the mother and confirmed that her condition permits, can a normal birth be performed. If during the trial birth, there are abnormal delivery conditions such as prolonged labor, maternal hemorrhage, etc., you should follow the doctor's advice and switch to a caesarean section.

3 How to treat uterine scar pregnancy

1. Drug treatment: Methotrexate and mifepristone are currently commonly used drugs. The purpose is to stop the development of the embryo and reduce the blood supply to the placenta, thereby reducing bleeding during medical abortion or surgery. Note: Methotrexate is a chemotherapy drug with many side effects, some of which can cause severe bone marrow suppression.

2. Uterine artery embolization is an interventional treatment method. Unilateral or bilateral uterine artery embolization is performed via the femoral artery, and uterine curettage is performed at an appropriate time after embolization. This method is relatively expensive, has many side effects of embolization, and the timing of uterine curettage is difficult to grasp.

3. Surgical treatment is through laparotomy or minimally invasive surgery: local lesion resection + uterine repair, and if necessary + hysterectomy. Surgical treatment is safe and effective, but it is traumatic and expensive, so it should not be used as the first choice and can only be used as a supplement when other methods are ineffective.