Gynecological menstruation regulating tablets usually need to be taken for three menstrual cycles in order to make menstruation to normal, usually from the clean menstruation to start oral, eat until the next menstruation, you can stop using the drug, so that three consecutive menstrual cycles, but under the guidance of the doctor to use the drug, to find out the causes of menstrual disorders, it is best to do ultrasound, to understand the pelvic cavity whether there is any abnormality, the uterus development is normal or not, and also recommended that the blood test sex hormone six, thyroid function, according to the results before giving the drug, so that will be more scientific. It is also recommended to take blood test on the 2nd-3rd day of menstruation to check sex hormone 6 and thyroid function to understand the endocrine condition, and then give medication according to the result, which will be more scientific. Women are advised to maintain a good lifestyle, not to stay up too late and not to smoke or drink too much, as these may also have an impact on menstruation.