Do not come menstruation besides pregnant what reason to still have

summary

Normal girl menstruation is about 12,13 years old, generally before the age of 18 menstruation did not come to the girl is primary amenorrhea, there is a kind of menstruation, and in 3 months or more than half a year to stop, this situation is secondary amenorrhea, so what is the cause of girls amenorrhea??

Do not come menstruation besides pregnant what reason to still have

First: first of all, the origin of menstrual blood is endometrium, so we should consider the abnormal development of the uterus, because some female friends will cause congenital absence of uterus, undeveloped uterus, or endometrium, so there will be no menstruation.

Second: is congenital ovarian deficiency or congenital ovarian hypoplasia, because the ovarian hormone secretion and ovarian ovulation function is an important condition to maintain menstruation, if once there is no ovary or ovarian hypoplasia, so there will be no menstruation, at the same time, it is possible to stop the development of the breast and vulva, the development of the body and normal youth It's obviously different for young girls in the same period. In addition to the above, there are also some chronic diseases and malnutrition can cause amenorrhea, such as tuberculosis, cancer and other diseases.

Third: there is also a reason for the abnormal development of vagina and hymen. The common cases are congenital absence of vagina, vaginal septum and hymen atresia. In normal people, the upper end of the vagina is connected with the cervical part of the uterus, and the lower end of the vagina opens to the vulva. There is a membrane around the opening, which is hymen. There is a circular or other shaped opening between them, which can make the menstrual blood flow out. But once the hymen is abnormal, it will affect the menstrual blood flow out.

matters needing attention

If you have the above situation, don't lose heart, girl amenorrhea is completely curable, I wish you health.