Symptoms of early pregnancy mainly include the following: 1, history of menopause, for a woman with regular menstruation, if there is a history of menopause and no menstruation for more than 30 days, then pregnancy can be detected by blood or urine HCG. 2, early pregnancy reaction, accompanied by the rise of blood HCG levels in the body around 42 days after menopause, some pregnant women will experience nausea, vomiting and other early pregnancy reactions, most of which are relatively mild and will disappear in about 3 months after menopause. Most of the early pregnancy reaction is mild and will disappear in about 3 months after menopause, some patients may have heavy early pregnancy reaction, affecting the usual eating, and even have severe nausea, vomiting, accompanied by electrolyte disorders, which is called vomiting of pregnancy, and need to be hospitalized. 3, some patients will have frequent urination, which is due to the increasing uterine pressure and pelvic congestion, and a small number of patients will have breast fullness.