Menstruation came a little early and then came again a few days later, considering that there is ovulation bleeding, irregular menstruation and other conditions. 1. Ovulation bleeding: some women may shed a small amount of uterine lining during ovulation due to changes in hormone levels in the body, so bleeding symptoms will occur, generally do not need special treatment. 2. Irregular menstruation: If there are bad habits and frequent late nights, it may lead to endocrine imbalance and irregular menstruation, which may cause such symptoms. It is recommended to consult a doctor in time for examination and treatment. If irregular menstruation has certain effects on the body, it is necessary to pay attention to it and treat it in time.