In early pregnancy, there is no method to judge the development of the embryo by oneself, and the development of the embryo is usually judged by dynamic observation of blood HCG and ultrasound examination. However, if the embryo develops abnormally, there may be symptoms such as vaginal bleeding, abdominal pain, etc., through which you can judge the condition of the embryo in the uterus to a certain extent. In the early stage of pregnancy, if the embryo is underdeveloped, there may be symptoms of pre-miscarriage such as abdominal pain and vaginal bleeding, and if this symptom occurs, it can indicate that the embryo may be underdeveloped. However, it is not the case that if the pregnant woman has no symptoms, it means that the embryo is well developed. The conscious symptoms of the pregnant woman are usually difficult to judge the development of the embryo, and auxiliary tests are needed to assist in the diagnosis. By checking the doubling of blood HCG, ultrasound examination of the appearance of the gestational sac, the emergence of the embryo bud fetal heart to determine the development of the embryo. If a pregnant woman has abnormal embryonic development, she needs to consult a doctor in time and follow the doctor’s instructions for treatment.