Usually, gravidas can be detected by serum HCG test and ultrasound at 6-8 weeks after menopause. Gestational abortion is a common clinical abnormality in pregnancy, which causes abnormal growth and development of the fetus, and has serious impact on the fetus and the mother. Generally, gravidas can be detected at 6-8 weeks after menopause, and serum HCG test can be conducted under the guidance of doctors, and attention should be paid to this index if it is more than 100000IU/ml. Ultrasound monitoring can also be performed for clarification. On ultrasound, it can be seen that the uterus of patients with hyperemesis gravidarum is larger than the corresponding gestational period, but there is no gestational sac and fetal heartbeat, and the uterine cavity will be filled with snow or honeycomb-like images. If symptoms of hyperemesis gravidarum are present, it is recommended to seek prompt medical attention for targeted management or treatment. During pregnancy, we should pay attention to do a good job of prenatal checkups, actively listen to the advice of professional doctors to do a good job of comprehensive care and health care, pay attention to rest, at the same time should be relaxed, to avoid nervousness, anxiety, any discomfort should be timely to the hospital, by the doctor to clarify the diagnosis, and cooperate with the doctor to deal with the symptoms.