What causes a slightly enlarged uterus?

An enlarged uterus may be caused by physiological factors or pathological conditions such as uterine fibroids, endometriosis, and adenomyosis.

I. Physiological Factors

Under normal circumstances, the size of the uterus is determined by its own development, which is generally not a cause for concern. Additionally, the size of the uterus may change during menstruation or pregnancy, which are considered normal physiological phenomena.

II. Pathological Factors

1. Uterine Fibroids

Uterine fibroids are common benign tumors that typically form in the uterine lining or muscle tissue. Most fibroids appear as single masses, though multiple masses can also develop. Under stimulation by inflammatory factors, the endometrium may become overwhelmed, leading to swelling and enlargement of the uterus. In such cases, medications such as levonorgestrel-ethinyl estradiol tablets, progesterone tablets, or mifepristone tablets may be taken under medical guidance.

2. Endometriosis

Endometriosis refers to the presence of endometrial tissue outside the uterine cavity, such as in the ovaries, fallopian tubes, pelvic cavity, or peritoneum. This ectopic tissue undergoes cyclic physiological changes along with the menstrual cycle, potentially causing the uterus to enlarge. Treatment may include surgical procedures under a doctor's supervision, such as laparoscopic surgery or hysterectomy.

3. Adenomyosis

Adenomyosis is a common gynecological condition caused by abnormal growth of endometrial and muscular tissues within the uterus. If an aseptic inflammation occurs in this area, it may stimulate the endometrium and lead to the aforementioned symptoms. Patients may take medications such as Jinyuting tablets, combined megestrol acetate tablets, or Postinor tablets as directed by a physician.

Besides the above, uterine cancer can also cause an enlarged uterus. Individuals with related symptoms should undergo appropriate examinations and treatments.