Early pregnancy reactions include cessation of menstruation, vomiting, frequent urination, breast tenderness and other manifestations. 1. Cessation of menstruation. The first early pregnancy reaction after pregnancy is that regular menstruation stops. If the regular menstruation is delayed, you can use early pregnancy test paper or blood test to confirm the pregnancy. 2. Pregnancy vomiting. HCG rise in the body after pregnancy, will lead to varying degrees of pregnancy vomiting reaction, mild loss of appetite, picky eaters, nausea, vomiting phenomenon, serious symptoms will be what to eat what to vomit. 3. Frequent urination. After pregnancy due to fertilization of the egg, the uterus increases the pressure on the bladder, there will be frequent urination phenomenon, is a normal physiological phenomenon. 4. Breast tenderness. After pregnancy in the estrogen hormone stimulation of breast development, breast space congestion, which will appear breast enlargement, swelling and pain, as well as the nipple becomes sensitive, areola color deepening, there are Montgomery’s nodules and other manifestations. 5. Other. Early pregnancy women will also appear sleepy, no spirit, mild abdominal pain, lumbago and other manifestations. Early pregnancy reaction generally occurs around 42 days after menopause, due to different personal constitution, the specific symptoms of early pregnancy reaction and time there are individual differences, whether or not there is obvious early pregnancy reaction should pay attention to do a good job of pregnancy test, supplement folic acid.