Three months in a row, 15 days to menstruation. Is how to return a responsibility

If there is a small amount of vaginal bleeding between two menstrual cycles, it should not be menstruation, it is considered to be caused by ovulation bleeding, because the endometrium loses estrogen support after the egg is discharged, and a small range of shedding occurs. Generally, the bleeding time is about 2~3 days. If there is frequent ovulation bleeding, blood should be drawn to check sex hormones for clear cause.