Pregnancy reactions are as follows: i. Menopause, menstruation stops coming after pregnancy. Second, after 40 days of pregnancy most pregnant women will have pregnancy reactions, such as nausea, vomiting, drowsiness, fear of cold, etc., appearing breast swelling, areola deepening, nipple becoming larger, coloring deepening, easy erection and tenderness. Third, as the number of weeks of pregnancy increases, pregnant women will experience stretch marks and deepening of the white line of the abdomen. After the third month of pregnancy, the uterus grows out of the pelvic cavity and stimulates the bladder, resulting in frequent urination. Fifth, after the middle and late stages of pregnancy, pregnant women’s breathing will become deep and large, and the mucous membrane of the upper respiratory tract will proliferate and become mildly congested and edematous. Sixth, some pregnant women experience gum hypertrophy, easy bleeding and edema. Pregnancy is a special physiological period, so pay attention to a balanced diet, a diversified diet, and regular and regular maternity checkups.