Before menstruation, women may experience symptoms such as pain in the abdomen, breast tenderness, increased vaginal discharge, and emotional irritability, but not every woman will experience these symptoms. Before the onset of menstruation, due to the pelvic cavity is in a state of congestion, there may be small abdominal distension and pain, usually a normal phenomenon, do not be too nervous, the discomfort can be tolerated. Before the onset of menstruation, there will be an increase in vaginal discharge, which is a normal physiological phenomenon and can be regarded as a precursor to the onset of menstruation. Before the onset of menstruation, women are affected by the fluctuation of hormone levels in the body, there may be emotional impatience, breast swelling and pain, etc. It is recommended that appropriate exercise to regulate the mood of the individual, and not everyone will experience this symptom. If a woman does not have any of the above signs of menstruation, she should not be too nervous, and should not take the above symptoms as a criterion for menstruation. If you have any discomfort during menstruation, it is recommended that you go to the hospital in time to have a checkup and follow the doctor’s instructions after clarifying the cause of the illness.