Fetal arrest may occur at 11 weeks of pregnancy. Fetal arrest is affected by many factors and can occur at any stage of pregnancy, so fetal growth and development should be closely monitored. Fetal arrest is a phenomenon in which the embryo dies at a certain stage of development and stops continuing to develop. There are many causes of fetal abortion, most of them are related to the abnormalities of the embryo itself, and a few are related to the pregnant woman’s own diseases, such as luteal insufficiency, hyperprolactinemia, abnormal thyroid function, autoimmune diseases, antiphospholipid syndrome, uterine longitudinal septum, submucosal uterine fibroids, uterine adhesions, etc. It may also be related to the pregnant woman’s exposure to toxins, radiation and chemicals. If you have a previous history of embryonic abortion, you should inform your doctor of the details when you get pregnant again, and pay strict attention to the development of the fetus by observing the development of the fetus on time, so as to prevent the recurrence of fetal abortion. Pregnant women often experience abdominal pain or vaginal bleeding during embryonic abortion, and some of them may not have any conscious symptoms. Therefore, during pregnancy, pregnant women should pay attention to stay away from radiation, chemical substances and other harmful environments, and take folic acid supplements as prescribed by the doctor in early pregnancy, which can effectively prevent fetal abortion due to malformation. In addition, pregnant women should pay attention to a balanced diet, eat a diet rich in high quality protein, vitamins and easy to digest, eat more fresh vegetables and fruits, exercise properly, maintain a healthy state of mind, avoid excessive emotional stress and have regular maternity checkups to ensure normal fetal growth and development.