The most obvious symptom and manifestation of early pregnancy is the cessation of menstruation, all other symptoms are not obvious, usually after 6 weeks of pregnancy may appear nausea, vomiting, loss of appetite and other early pregnancy reactions. In the early stage of pregnancy, most women do not have obvious symptoms, only the cessation of menstruation, some women may also experience breast swelling and pain, areola color deepening and other symptoms. Early pregnancy discomforts such as nausea, vomiting, dizziness, fatigue and loss of appetite usually appear after 6 weeks of pregnancy, but some may not appear all the time. Due to individual differences, some women also experience nausea, vomiting and other uncomfortable symptoms in the early stages of pregnancy. When abnormal symptoms such as menopause occur, pregnancy can be confirmed by applying a pregnancy test or going directly to the hospital for a blood test for human chorionic gonadotropin.