If the birth canal of the pregnant woman and the labor force during delivery meet the conditions of normal delivery, fetal position, normal amniotic fluid, etc., the fetus 3700 grams can be delivered; on the contrary, cesarean section is required. The birth weight of the fetus after full-term pregnancy is between 2500g~4000g is normal, if the fetus does not have amniotic fluid abnormality, intrauterine distress and fetal position abnormality, such as shoulder position, breech position, and the soft obstetric tract, bone obstetric tract, and the force of labor meet the conditions of normal delivery, the fetus 3700 grams is usually able to carry on a normal delivery. On the contrary, a cesarean section is needed to ensure the safety of the mother and child. If you find that your baby is in breech position during pregnancy checkups, it is recommended that you consult a doctor in time, complete the relevant examinations under the doctor’s guidance, take targeted treatment measures, and choose the appropriate mode of delivery.