Why is the uterus not developing?

People will encounter some strange diseases in their daily work and life. Uterine underdevelopment is a very rare disease that occurs in female friends. When some female friends suffer from this disease, they will be very nervous and at a loss. They don’t know why their uterus has not developed and don’t know how to treat it. So, what happens if the uterus does not develop?

First, what's wrong with the underdeveloped uterus? Uterine hypoplasia is also called immature uterus, which generally refers to a uterus that is still smaller than normal after puberty, commonly known as "small uterus". Such patients often have oligomenorrhea, amenorrhea or amenorrhea. Uterine dysplasia and endometriosis refers to the appearance of endometrial tissue with growth function in areas other than the mucosa covering the uterine cavity, causing a series of symptoms and signs. Endometriosis is one of the most common causes of infertility. The cause of this disease is very complicated. There are many theories, such as endometrial implantation theory, coelomic metaplasia theory, lymphatic and venous spread theory, and immune theory. However, the theories of retrograde menstruation, implantation and coelomic metaplasia are still the dominant theories. It is also directly related to current cesarean sections, artificial abortions, abdominal surgery, genetic factors, and intense physical exercise or heavy physical labor during menstruation.

Second, delayed menstruation accompanied by oligomenorrhea, dysmenorrhea or even amenorrhea is often an important clinical manifestation of uterine hypoplasia. When a woman reaches the age of sexual development, her menstruation is delayed or infrequent, her breasts do not show obvious swelling, her pubic hair is sparse, and even if her menstruation comes, the amount is very small, she should be vigilant in this situation and may wish to use B-ultrasound to find out the reason. Uterine hypoplasia, also known as immature uterus, is caused by the cessation of development within a short period of time after the fusion of the paramesonephric ducts. The uterus is smaller than normal and sometimes extremely flexed or retroflexed. The cervix is ​​conical and relatively long, with a ratio of uterine body to cervix of 1:1 or 2:3.

What happens if the uterus does not develop? Dysmenorrhea and pain are mainly manifested as secondary and progressive dysmenorrhea. The pain is mostly located in the lower abdomen and lumbosacral region, and may radiate to the vagina, perineum, anus or thigh. It usually starts 1 to 2 days before menstruation, is most severe on the first day of menstruation, and continues until gradually subsides after menstruation, but it progressively worsens with the menstrual cycle, and the degree of pain is not proportional to the size of the lesion. Menstrual disorders, mainly characterized by increased menstrual flow or prolonged menstrual period, may be related to endometrial hyperplasia or ovarian dysfunction. 3. Infertility. Most endometriosis patients do not have blocked fallopian tubes, but the peristalsis may be restricted due to adhesions between the fallopian tubes and the surrounding tissues. In a few patients, the fallopian tube walls are thickened in a nodular manner and the lumen may be blocked. About 74% of patients have a history of infertility due to reasons such as the retroverted and fixed position of the uterus and ovarian dysfunction. 4. Pain during sexual intercourse: Ectopic endometrium in the pelvic cavity often forms nodular lesions in the rectouterine pouch, causing pain when the cervix collides and the uterus is lifted during sexual intercourse.