Early pregnancy has the following three symptoms: a. Stopping of menstruation is a sign of early pregnancy. If menstruation stops for more than two weeks, be alert to whether you are pregnant, you can use early pregnancy test paper test, or you can go to the hospital for early pregnancy test. Second, there is a tingling and swelling sensation in the breast, women will experience breast swelling and pain during pregnancy, and there will also be nipple and areola color deepening. Women’s nipples will protrude significantly in early pregnancy, breast development is more obvious during pregnancy, and most women have obvious changes in subcutaneous veins in their breasts in early pregnancy. Third, often nausea, vomiting, women in early pregnancy will appear nausea, vomiting performance. Due to the difference in individual physique, the performance that appears varies from person to person, nausea and vomiting during pregnancy is a common phenomenon. Women should take good care of themselves during pregnancy and be sure to have early pregnancy tests in a timely manner. During pregnancy, estrogen is secreted in large quantities, thus causing a variety of abnormal reactions.