At what age is it most normal to start menstruating?

Generally speaking, "big aunt" refers to menstruation, and the first menstrual period is called menarche. There is no standard age that is considered the most normal for the onset of menstruation, although it is typically considered normal for it to begin between 13 and 14 years of age. If discomfort occurs, prompt medical attention is recommended. Detailed analysis is as follows:

Under normal circumstances, girls usually experience menarche between the ages of 13 and 14. Those with earlier physical development may have menarche earlier, possibly around the age of 11. Some girls may experience menarche later, at around 15 to 16 years of age, or even later. However, as long as it occurs before the age of 18, it is still considered normal.

The timing of menarche is related to various factors such as heredity, nutrition, body weight, and environment. However, if menstruation occurs significantly earlier or later than expected, pathological factors such as precocious puberty or delayed development should be promptly ruled out. Diagnostic evaluation should include tests such as a six-item sex hormone panel, complete blood count, and coagulation function tests.

It is recommended to closely monitor the physical development of girls. Once menstrual abnormalities or other discomforts are detected, timely and targeted interventions should be implemented. At the same time, adequate psychological support and guidance should be provided to reduce psychological burdens.