Abnormalities In The Development Of The Uterus

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Abnormalities In The Development Of The Uterus
Abnormalities In The Development Of The Uterus

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Video: Uterine Malformations (Mullerian) 2022, November

The uterus is a hollow muscular organ located in the small pelvis. Normally, it has a pear-shaped shape, its size is no more than 7-9 cm. In some cases, due to a violation of embryonic development, anomalies of this organ are observed.

Abnormalities in the development of the uterus
Abnormalities in the development of the uterus

Saddle uterus

The uterus has a body, which in the lower part passes into the cervix. The part of the organ under the upper fornix is ​​called the bottom, and the openings of the fallopian tubes are located in it. The areas next to them are called uterine horns. The most common developmental abnormality is the saddle uterus. In this case, its bottom is not convex, but pressed inward, additional partitions may form. In the transverse direction, the uterus is slightly expanded, its horns are poorly expressed.

With this developmental anomaly, expressed insignificantly, it is possible to endure the child. However, if the bottom is too strongly depressed or there are additional septa, the ovum will not be able to attach to the uterine wall. If implantation does occur, the additional septum will cause some problems. Such formations are composed of connective tissue, so they do not have the required number of blood vessels to feed the embryo. Lack of nutrition will result in miscarriage.

Bicornuate uterus

Another type of developmental anomaly is the bicornuate uterus. It has 2 cavities, they are connected in the center of the uterus (incomplete form) or near the cervix (complete two-hornedness). With a bicornuate uterus, reproductive disorders can be observed: bleeding, severe pain, dysmenorrhea, infertility, miscarriages. In other cases, the conception of a child occurs without any particular problems. With the total division of the organ, 2 independent cavities are formed, as a result of which there is a threat of miscarriage, premature birth, and weakness of labor. A bicornuate uterus can cause squeezing of the child, abnormal presentation of the fetus, low placentation, fetoplacental insufficiency.

Doubling of the uterus

There are anomalies in the development of the female genital organs, in which the uterus is divided into 2 parts, there are 2 vaginas, separated by a septum, and 2 necks. The organs do not intersect with each other, since each of them connects to its own ovary. In this case, both uterus can be complete, or one of them is rudimentary, and the other is functioning. Doubling of the uterus can proceed without symptoms, with the exception of partial vaginal aplasia, in which menstrual blood cannot escape from one uterus and accumulates inside. The birth of a child with such an anomaly is possible, however, difficulties arise with conception. A pregnant woman should be monitored by a doctor, as the risk of premature birth is high.

Uterine hypoplasia

Hypoplasia of the uterus (infantile or infantile uterus) is characterized by the small size of the organ. The cause of the abnormality is hormonal disorders, polycystic or ovarian dysfunction, a sharp decrease in body weight, hereditary diseases or chromosomal abnormalities. With a lack of hormones, unexpressed hypoplasia, hormonal therapy is prescribed.

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