If you don't have your period at 18, beware of primary amenorrhea

If a girl is over 18 and has not had her period, she should be careful of primary amenorrhea and go to the hospital for a detailed examination. There are many situations in which primary amenorrhea occurs during puberty:

(1) Atresia of the lower genital tract: There is congenital atresia of part of the cervix, vagina, hymen, labia, etc., or adhesion atresia caused by acquired damage. Although menstruation occurs, menstrual blood cannot flow out. This condition is called latent or pseudo-amenorrhea. Atresia of the lower genital tract can be completely cured with medical treatment.

(2) Incomplete or poorly developed reproductive organs: Some people are born without ovaries, or their ovaries are poorly developed, or their ovaries are damaged, and they cannot produce estrogen and progesterone. Therefore, the endometrium cannot undergo cyclical changes, and there will be no endometrial shedding, so there will be no menstruation. Some people are born without a uterus, or their endometrium is poorly developed, or their endometrium is damaged. Even if their ovaries are functioning well and the secretion of estrogen and progesterone is normal, they will not have menstruation. Amenorrhea in these cases is almost impossible to cure, but even so, it is recommended to check carefully to determine the impact on the future.