If you are 16 years old and haven’t had your period for 2 months, you need to know how old you are at the time of menarche. If you are 16 years old and have just had your first menstrual period, you may not have perfect ovarian function after the first menstrual period, which can lead to irregular menstruation, so don’t be nervous, you can drink hot brown sugar water for 3-5 days to see if you will have a menstrual period. Clinically, it is also necessary to exclude whether there is sexual intercourse, if there is sexual intercourse for 2 months without menstruation, we must first exclude the possibility of pregnancy. In addition, if it is not the first menstruation and it has been more than half a year since the menstruation, it is clinically recommended to do ultrasound to rule out uterine abnormalities and to understand the pelvic cavity, and it is also recommended to take blood test for sex hormone six if necessary, and then give treatment according to the results.