Fetal arrest generally refers to fetal arrest, and there is no 17 weeks the most obvious signs of fetal arrest, most patients do not have obvious discomfort symptoms. However, if the patient appears vaginal bleeding, lower abdominal discomfort and other symptoms, need to pay attention, should go to the hospital in time. Fetal termination refers to the cessation of fetal development due to some reason of pregnancy, causing fetal death. The cause may be due to chromosomal abnormalities of the embryo, maternal infection, abnormal uterine development or uterine cavity adhesion. Most pregnant women do not have any obvious special discomfort and may experience a small amount of vaginal bleeding and lower abdominal discomfort. If the patient has this kind of situation, he/she can go to the hospital and have laboratory tests and imaging tests to make a comprehensive judgment. Once the diagnosis is confirmed, the patient should actively cooperate with the doctor to take treatment measures. During the treatment period, patients need to follow the doctor’s instructions for regular checkups in order to understand the recovery of the body.