Normal Period Symptoms: Some months, your breasts may feel tender when you have your period. Other months, you may notice bloating around your abdomen or mood swings. Other normal menstruation symptoms include: Acne Cramping in the lower abdomen and back More hunger Sleep issues Mood swings Breast tenderness Bloating Not every period is the same, though. Most of the time, an irregular or abnormal period isn’t serious. But you should call the doctor if: You have a heavier than usual flow You need to change your pad or tampon hourly Your period lasts more than 7 days Your period suddenly stops for more than 90 days You have severe pain You think you might be pregnant