There is a risk of fetal arrest even if there is fetal heartbeat and fetal buds, and it is necessary to visit the hospital in time for examination to clarify the cause of the disease. There are many causes of fetal arrest, such as: 1, pregnant women suffering from certain diseases, such as lupus erythematosus and other immune system diseases, hyperthyroidism, polycystic ovary syndrome and other endocrine diseases, cervical abnormalities resulting in abnormal blood supply, etc., need to be based on the cause of the symptomatic treatment; 2, exposure to external factors of the environment, emotional fluctuations, overwork, etc.; 3, the embryo itself is not good quality, such as chromosomal developmental abnormalities, which is a natural phenomenon of The natural phenomenon of survival of the fittest; 4, HCG, that is, chorionic gonadotropin level is not enough is also prone to fetal arrest, you can supplement progesterone under the guidance of the doctor. If a pregnant woman experiences symptoms such as vaginal bleeding, lower abdominal pain, and disappearance of early pregnancy reaction, it may indicate that fetal arrest has occurred. Treatment should be taken according to different causes. In addition, even if fetal heartbeat and fetal buds appear, it is still necessary to pay attention to regular rechecks of ultrasound or fetal heartbeat monitoring in obstetrics to ensure normal development of the embryo.