If the embryo has stopped developing for four times, clinically known as recurrent miscarriage, patients are advised to terminate the pregnancy first to determine the cause of the abortion, such as checking the quality of sperm and egg, the chromosome or sex hormone levels of both parties, etc., and then treat the patient according to the cause of the disease. 1. Sperm and egg quality: The abortion may be caused by malformed sperm or poor sperm activity in men, or by poor follicular quality in women, which may prevent the formation of a mature fertilized egg. It is recommended that the patient should have a regular routine and maintain good living habits before getting pregnant again. 2. Both sides of the chromosome: both husband and wife physical examination, no other diseases, may be chromosomal abnormalities. If the parents’ chromosomes are abnormal, the fertilized egg will also form abnormal chromosomes, and the abnormal fertilized egg can’t carry out normal mitosis, thus causing recurrent miscarriage. At this time, the patient is recommended to do IVF. 3. Sex hormone level: If a woman suffers from polycystic ovary syndrome, luteal insufficiency, hyperprolactinemia, thyroid disease and other diseases, resulting in abnormal hormone levels in the body, the hormone is not enough for the growth of the fetus after pregnancy, and recurrent miscarriage will occur. It is recommended that patients actively treat the original disease before considering pregnancy. Fetal arrest four times is a multiple habitual abortion, multiple abortions on the mother’s body has a very big impact, it is recommended that the patient to go to the maternity hospital to clarify the cause of the abortion, cure the original disease and then consider getting pregnant again.