Menarche at the age of eleven and a half is generally normal.
Menarche refers to the first menstruation of a girl, and the average time for a girl to have her first menstruation is between the ages of 12 and 15 years old, and may be earlier or later if affected by life circumstances. Therefore, it is basically a normal physiological phenomenon for a girl to start menstruating at the age of eleven and a half.
Generally speaking, after the first menstruation, you will enter puberty, which means that your sex organs are basically mature, and the development of secondary sexual characteristics will also take place. If menstruation occurs before the age of 10, it may be associated with precocious puberty, and it is recommended that a systematic examination be carried out to choose the treatment according to the results of the laboratory tests.
During menstruation, keep warm, do not eat cold, spicy and stimulating food, avoid strenuous exercise during menstruation, change sanitary napkins and pay attention to hygiene.