The fact is that the girl is not able to take any medication for two months, but she has to be examined to find out the reason for her lack of menstruation before she can be adjusted. The first thing you need to do is to check whether you are pregnant or not. It is normal to be pregnant and not have a period, but if you are not pregnant, you will have an irregular period and you will have to adjust your period according to the cause. Excluding pregnancy after two months without menstruation may be endocrine disorders or endometrial thinness caused by ultrasound to check the thickness of the uterine lining, blood test sex hormone six adjustments. If the lining of the uterus is thin, you can take estradiol valerate tablets under the guidance of the doctor to promote the thickening of the lining of the uterus, together with progesterone to promote menstruation. If the thickness of the endometrium is normal, you can follow the doctor’s instructions to take medroxyprogesterone acetate tablets and progesterone to promote menstruation. If the endocrine disorders, such as polycystic ovary syndrome caused by menstruation, can be prescribed to take ethinyl estradiol cyproterone tablets, as well as progesterone to regulate menstruation and so on. The lack of menstruation can not be arbitrary medication, but also to check whether the uterus, ovaries organic lesions, need to adjust the menstruation for specific causes.