What causes uterine fibroids?

Sep 05, 2025 Source: Cainiu Health

Dr. Zhang Lu

Introduction

Under normal circumstances, uterine fibroids may be caused by factors such as high estrogen levels during the childbearing age, genetic influences, endocrine disorders, chronic endometritis, polycystic ovary syndrome (PCOS), and others. It is recommended to seek timely medical attention, identify the underlying cause, and undergo symptomatic treatment under a doctor's guidance. In daily life, it is important to maintain a positive mindset and avoid prolonged anxiety or stress.

Generally, uterine fibroids may be caused by high estrogen levels during the reproductive years, genetic factors, endocrine disorders, chronic endometritis, polycystic ovary syndrome (PCOS), and other factors. It is recommended to seek timely medical consultation, identify the underlying cause, and undergo symptomatic treatment under a doctor's guidance. Detailed explanations are as follows:

1. High estrogen levels during the reproductive years: Women of reproductive age have strong ovarian function and secrete more estrogen. Continuous stimulation of the uterine smooth muscle by estrogen can easily lead to abnormal smooth muscle proliferation and fibroid formation. No special intervention is required. Regular gynecological examinations should be performed to monitor changes in fibroid size. Maintaining a regular lifestyle and avoiding late nights can help reduce hormonal fluctuations.

2. Genetic factors: Women with a family history of uterine fibroids have a higher probability of developing the condition due to genetic predisposition. It is recommended to start regular gynecological ultrasound examinations earlier, at least once per year, for early detection and early intervention. Maintaining a healthy diet and reducing intake of high-fat and high-sugar foods is also important.

3. Endocrine disorders: Long-term mental stress and irregular lifestyle can lead to endocrine imbalance, causing insufficient progesterone secretion and relatively high estrogen levels, which can stimulate the formation of uterine fibroids and may be accompanied by menstrual disorders. Patients may follow medical advice to use hormonal-regulating medications such as mifepristone tablets, danazol capsules, and triptolide capsules.

4. Chronic endometritis: Long-term bacterial or mycoplasma infection of the endometrium can cause chronic inflammation. Repeated inflammation can stimulate the myometrium and increase the risk of fibroids, often accompanied by increased vaginal discharge and mild lower abdominal pain. Patients should follow medical advice to use anti-inflammatory medications such as cefixime capsules, metronidazole tablets, and levofloxacin hydrochloride capsules.

5. Polycystic ovary syndrome: Ovarian dysfunction leads to excessive androgen secretion and ovulation disorders, which in turn cause endocrine disorders and abnormal estrogen metabolism, potentially triggering uterine fibroids, often accompanied by hirsutism and oligomenorrhea. Patients may follow medical advice to use hormonal-regulating medications such as dydrogesterone tablets, ethinylestradiol cyproterone acetate tablets, and spironolactone tablets.

In daily life, maintaining a positive mindset and avoiding prolonged anxiety and stress is important. Diet-wise, eating more fresh vegetables and fruits to supplement vitamins and reducing intake of estrogen-containing health products is recommended. During menstruation, keeping warm, avoiding strenuous exercise, and reducing uterine stimulation are essential for maintaining uterine health.

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What should I do if I become pregnant with uterine fibroids?

In general, women who become pregnant with uterine fibroids should manage their condition through enhanced prenatal monitoring, adjustment of daily activities, attention to nutritional diet, awareness of physical symptoms, and cooperation with medical interventions. It is important to maintain a positive mindset during pregnancy and avoid excessive anxiety, as anxious emotions may affect hormone levels and jeopardize pregnancy stability. At the same time, maintain close communication with the physician to stay informed about both maternal and fetal conditions.

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Is uterine fibroid serious?

In general, the severity of uterine fibroids needs to be determined based on their size, symptoms, and growth pattern. Small fibroids without symptoms are usually not serious and do not require special treatment; however, fibroids that cause significant symptoms or grow rapidly are considered more severe and require timely intervention. In daily life, it is important to maintain a regular作息 (作息 should be translated as "routine" or "lifestyle rhythm"), avoid excessive fatigue, limit the intake of foods high in estrogen, and reduce the risk of fibroid growth.

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How are uterine fibroids caused?

Under normal circumstances, the main causes of uterine fibroids include hormonal changes, aging, endometritis, polycystic ovary syndrome, and adenomyosis. If discomfort symptoms occur, it is recommended to seek timely medical treatment at a正规 hospital. In daily life, one should maintain external genital hygiene and avoid unclean sexual activity; maintain a regular diet and balanced nutrition.

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What causes bleeding during ovulation?

In general, bleeding during the ovulation period may be caused by a temporary decline in estrogen levels, vigorous exercise, endometritis, cervical polyps, submucosal uterine fibroids, or other factors. It is recommended to seek timely medical attention, identify the underlying cause, and receive symptomatic treatment under a doctor's guidance. Additionally, it is important to maintain menstrual hygiene, change sanitary products frequently, and avoid unclean sexual practices.