Pre-pregnancy symptoms are more, specific varies from person to person, the more common are body fatigue, pregnancy vomiting, breast swelling and pain. 1. Weakness: due to poor appetite during pregnancy, anorexia, anorexia oil and other symptoms, may affect the nutritional intake, long-term nutritional inadequacy will have physical weakness, physical inability and so on. 2. Pregnancy Vomiting: Due to the gradual increase of progesterone as well as estrogen levels during pregnancy, there may be manifestations of regurgitation, nausea and vomiting. 3. Breast swelling and pain: this is also a physiological phenomenon, when the body’s estrogen and progesterone changes, it may stimulate the breast, thus causing breast swelling and pain, and accompanied by breast enlargement, areola darkening and other symptoms. In addition to the above symptoms in pre-pregnancy, frequent urination, drowsiness, emotional irritability and other symptoms may occur, but the symptoms are not serious and generally do not require treatment.