陈凤林教授指出：晚期流产检查孕前的检查有：Professor Chenfenglin pointed out that the late abortion examination before pregnancy is:
Vaginal mirror, vaginal four-dimensional color super, dynamic digital uterus fallopian tube iodography, uterine relaxation test, hemolytic test.
晚期流产治疗Advanced abortion treatment
Cervical relaxation is the main cause of abortion after 12 weeks of pregnancy. Before conception, the cervix is buried with a laparoscope and buried in the inner cervix of the cervix. The biological hoop is good for compatibility with the human body and does not need to be removed.
The diagnosis of maternal and infant blood types is based on: the mother is O-type blood, the husband is other blood types, past pregnancy or blood transfusion, abortion occurs more than 7 months after pregnancy, fetal edema. The reason is that the fetal Rh factor and the incompatible ABO blood factor produce antibodies in the mother. This pregnancy enters the fetus from the placenta and condenses with red blood cells to produce hemolytic blood, resulting in miscarriage. Hospital treatment is immunotherapy before conception, and the cure rate is 90 %; If it is diagnosed in pregnancy, Caesarean section can be performed on the premise of the fetus's survival, and then the baby is changed to save the child's life.