14-year-old girl with irregular menstruation

The age of menarche for girls is about 12-14 years old. It is normal for menstruation to be irregular in a short time after menarche. It is related to mental state and immature development of the body. Generally, special treatment is not required. Menstruation should pay attention to cold and warm, and do not eat cold food. After puberty, menstruation will gradually become regular.