The uterus is the source of menstruation and the fetus, but it is also a high-incidence site for many gynecological diseases, such as uterine fibroids. The shape of the uterus looks like an inverted pear. The uterine wall is thicker and can be divided into three layers: the outer layer is the serosa, the middle layer is the muscle layer, and the innermost layer is the endometrium. Affected by ovarian hormones, the endometrium can undergo cyclical changes to prepare for the implantation and development of the fertilized egg; if you are not pregnant, it will fall off once a month to form menstruation and discharge. However, due to factors such as excessively high estrogen levels and the intervention of some growth factors, lumps on the uterine wall are often called uterine fibroids. Uterine fibroids are the most common benign tumors of the female genitalia. Studies have found that about 20% of women aged 30 to 50 suffer from uterine fibroids, and the number has been increasing in recent years. Although uterine fibroids are benign tumors, most symptoms are not obvious, but if not discovered in time, they will endanger multiple organs of the body and cause infertility, so early prevention and early treatment are very necessary. According to the location of growth, uterine fibroids can be divided into the following three types: intramural fibroids are located in the myometrium, the most common, accounting for 60% to 70% of the total; fibroids grow in the uterine serosa and protrude from the surface of the uterus, called subserosal fibroids, accounting for 20% to 30% of the total; fibroids grow in the mucosal layer and protrude into the uterine cavity, called submucosal fibroids, accounting for 10% to 15% of the total. Uterine fibroids vary greatly in size, ranging from small ones that cannot be distinguished by the naked eye to large ones that weigh dozens of kilograms. |
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