Menstruation comes twice how to return a responsibility

If it is said to be two menstruation in a month, but if the beginning of a month, the end of a month, the interval between the two times exceeds 23 days, this situation is normal, not that the menstrual cycle must be 30 days, if twice a month, one time is particularly large, one time the blood volume is very small, it is also possible that one time is caused by ovulation bleeding, this situation is also normal. That is to say, there is mainly no ovulation bleeding, what is the difference between two menstrual intervals, if more than two or three days is no problem. However, if the menstruation is more, the interval is still relatively short, it needs to check, there is no endocrine disorder this situation, hormone levels show disorder, menstruation will show irregular, or may also be caused by certain diseases, such as endometrial lesions, showing polyps or cervical lesions with polyps will also cause irregular menstruation.