Generally speaking, menstruation will come about 1 year after the appearance of pubic hair, and it has to do with the individual’s physique, some may be later, some may be earlier.
The ovaries are very small before the age of 8. After 8, they will slowly grow and start to secrete estrogen and progesterone, which stimulates the appearance of secondary sexual characteristics, including breast enlargement, pubic hair, armpit hair, and then the first menstrual period.
Women usually have their first menstrual period when they are 13-14 years old, and breasts start to develop before menstruation, and pubic hair and armpit hair also appear. Menstruation usually occurs about 1 year after the appearance of pubic hair. If a girl does not have her period after the age of 16, she will need to be examined by a hospital.
Once a girl has her period, she must pay attention to the local care of the vulva and pay attention to the hygiene of the pubic area. They should pay attention to keep optimistic mind, communicate with their mothers more often, and not be afraid to talk about it because of shyness. They should also explain to their family members in time if they are uncomfortable, and then find a doctor to check and deal with it.