In the pre-pregnancy period, there will be phenomena such as menstruation stopping and early pregnancy reaction, and there are individual differences in the specific symptoms. 1. Menstruation stops coming: the first symptom of pre-pregnancy is that regular menstruation stops coming, if menstruation is delayed, you should go to the hospital in time to use early pregnancy test or blood test to check the blood HCG to determine whether you are pregnant or not. 2. Early pregnancy reaction: pre-pregnancy will appear different degrees of early pregnancy reaction, such as loss of appetite, fatigue or nausea, vomiting, drowsiness, as well as breast swelling and pain, deepening the color of the areola and other phenomena. The specific symptoms of pre-pregnancy vary from one person to another, and if a woman suspects that she is pregnant after intercourse, she should do a urine pregnancy test or blood test in time to determine whether she is pregnant, which is more accurate.