Irregular menstruation can be detected by fasting for endocrine hormones on the 2nd to 5th day of menstruation, which can determine if there are any abnormal hormone levels. Some women will have a long delay in menstruation, can not wait until their menstruation, can not come to menstruation time, any time to use fasting for treatment can also be. At the same time, irregular menstruation, check hormone six is only to determine whether there is an abnormality on the one hand, as far as possible, should also be combined with ultrasound to determine the presence of polycystic changes in the bilateral ovaries, there is no thickening of the cortex, there is no presence of ovarian cysts, all of these factors can be caused by irregular menstruation, so it is necessary to combine with the color of the ultrasound to carry out a detailed judgment. After the examination, it can be regulated by artificial cycle, or oral short-acting contraceptive pills to restore normal cycle.