Symptoms of first pregnancy include menopause, digestive reactions, frequent urination and breast enlargement. 1. Cessation of menstruation: Cessation of menstruation is the earliest symptom of pregnancy. Normal menstruation is caused by the withdrawal of estrogen and progesterone; after pregnancy, estrogen and progesterone are at a high level in the body and menstruation will not occur; women of childbearing age who are sexually active and experience delayed menstruation should be suspected of being pregnant. 2. Digestive tract reaction: human chorionic gonadotropin rises after pregnancy, causing pregnant women to experience nausea, vomiting, decreased appetite and other manifestations. 3. Frequent urination: pregnancy will cause the uterus to enlarge, the uterus and the bladder are neighboring organs, the enlarged uterus can compress the bladder, causing frequent urination symptoms. 4. Breast enlargement: after pregnancy, the body’s estrogen and progesterone rise, estrogen and progesterone act on the breast follicular cells and ductal cells, causing breast hyperplasia, resulting in breast enlargement. Some pregnant women have no obvious symptoms in early pregnancy, some pregnant women have strong early pregnancy reaction, if you find discomfort during pregnancy, you should go to the hospital in time to avoid delay.