Causes of endometrial polyps

Written by Sun Shan Shan
Obstetrics and Gynecology
Updated on February 06, 2025
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There are many causes of endometrial polyps. One is the excessive secretion of estrogen in the body, leading to an uneven distribution of hormone levels. Furthermore, long-term use of health products and hormone medications can stimulate their development, as can gynecological inflammations from events like abortion, childbirth, or surgical procedures, all of which can lead to the formation of endometrial polyps. Additionally, high blood pressure and obesity are also high-risk factors for endometrial polyps. Therefore, it’s crucial to carry out a timely hysteroscopic examination once endometrial polyps are detected. This examination should take place three to seven days after menstruation at a hospital. If the polyps are larger than one centimeter in diameter, or if there is continuous vaginal bleeding, an immediate hysteroscopic polypectomy is necessary.

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Written by Zhang Xiu Rong
Obstetrics and Gynecology
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Will uterine polyps cause bleeding during intercourse?

Endometrial polyps generally do not cause bleeding after sexual intercourse. However, bleeding after sexual intercourse can occur if there are polyps in the cervical canal. Clinically, endometrial polyps generally present with shorter menstrual cycles, occurring every 20-something days. The period duration is also typically longer; normally, a period lasts from three to seven days. In patients with endometrial polyps, the period can extend up to eight or nine days. Under such circumstances, endometrial polyps are generally suspected, and patients are often advised to visit a hospital for an ultrasound to examine the thickness of the endometrial lining and its echo characteristics, allowing for a definitive diagnosis of endometrial polyps. Endometrial polyps do not cause bleeding after sexual intercourse. Bleeding after intercourse is generally considered clinically if there are conditions such as cervical cancer, precancerous cervical conditions, cervical polyps, or other cervical alterations. Thus, if bleeding after intercourse occurs, it is crucial to undergo cervical cancer screening at a hospital.

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Written by Hou Jie
Obstetrics and Gynecology
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Benign characteristics of endometrial polyps

If a woman is diagnosed with endometrial polyps, then the condition is benign. If there are symptoms such as irregular vaginal bleeding, increased menstrual flow, or prolonged menstruation, endometrial polyps should be considered. It is advised to undergo diagnostic curettage or hysteroscopic endometrial polyp electrosurgical resection, and the removed tissue should be sent for pathological examination. Whether it is benign or malignant is mainly determined by the pathological examination as the final diagnostic basis. If confirmed as endometrial polyps, then it is benign. If precancerous lesions are present or if it is confirmed as malignant tumor, the case will be described in detail.

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Written by Liu Jian Wei
Obstetrics and Gynecology
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The difference between endometritis and endometrial cancer.

Endometritis falls under the category of inflammation and its general clinical treatment primarily involves anti-inflammatory treatment. Endometrial cancer, on the other hand, is a malignant tumor of the uterus and differs in prognosis and treatment. The preferred treatment for endometrial cancer is surgical. If the patient has missed the opportunity for surgery, chemotherapy or radiotherapy can be administered, with the aim of extending the patient’s life as much as possible. Compared to endometritis, which is relatively mild, endometrial cancer has a more significant impact.

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Written by Yue Hua
Obstetrics and Gynecology
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Do uterine polyps require surgery?

Endometrial polyps require surgery. Patients with endometrial polyps generally have clinical symptoms, mainly characterized by irregular vaginal bleeding. This can be a small amount of bleeding after menstruation has ended, or extended periods during menstruation. In such cases, a hysteroscopy or diagnostic curettage is needed to remove these polyps. Relatively speaking, hysteroscopy is more accurate and has fewer side effects after surgery, but its disadvantage is the higher cost. The goal of both is to remove the endometrial polyps and then send them for pathological examination.

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Written by Zhang Lu
Obstetrics
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Do uterine polyps affect pregnancy?

Endometrial polyps refer to the hyperplasia of the endometrial lining due to inflammatory stimuli, resulting in many polypoid tissues. Whether endometrial polyps affect pregnancy mainly depends on the number and size of the polyps, and whether they cause clinical symptoms. First, if the polyps are small and few in number without causing an increase in menstrual flow, they generally do not affect pregnancy and do not require removal of the endometrial polyps, as removing them could instead easily damage the function of the endometrial lining. Second, if the polyps are large, over one centimeter, or there are multiple endometrial polyps, and they cause an increase in menstrual volume, this indicates that the endometrial polyps have impacted the woman's body. In such cases, it is necessary to use a hysteroscope to remove the endometrial polyps before trying to conceive.