Symptoms of endometrial hyperplasia polyps

Written by Xu Xiao Ming
Obstetrics and Gynecology
Updated on March 17, 2025
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If endometrial hyperplasia and polyps are present, there may be an increase in menstrual flow and an extension of the menstrual cycle. This is because if many polyps grow on the endometrium, it will increase the surface area of the endometrium, leading to increased menstrual bleeding. Therefore, it is recommended that such patients should go to the hospital in time for examination and treatment. If there are many polyps affecting daily life and reproductive function, a hysteroscopic examination is necessary. Under hysteroscopy, endometrial polyps can also be removed. Therefore, it is advised to seek medical examination as soon as possible.

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Written by Yue Hua
Obstetrics and Gynecology
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How to investigate endometrial polyps?

Endometrial polyps require an ultrasound examination to be detected, as they are located within the uterine cavity and cannot be seen by a gynecological examination alone. Under ultrasound, one can see a polyp-like object in the uterine cavity, which usually measures only a few millimeters, although some may be about ten or more millimeters in size. Certainly, if possible, a hysteroscopy can also identify them. However, generally, an ultrasound is conducted first to observe the endometrial polyps, followed by a hysteroscopy to remove them.

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Written by Yue Hua
Obstetrics and Gynecology
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Symptoms of endometrial polyps

The most common clinical symptom of endometrial polyps is vaginal bleeding, which manifests in the following ways: Some women may experience heavy menstrual flow with a large amount of blood clots. This is because most patients with endometrial polyps have excessive proliferation of the endometrial lining. When this excessively proliferated endometrium sheds during menstruation, it can result in a heavier flow. Additionally, some women may experience vaginal bleeding after their menstruation has ended. Typically, this bleeding is not heavy and is dark red in color. This could indicate the presence of endometrial polyps.

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Written by Yue Hua
Obstetrics and Gynecology
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Can endometrial polyps cause bleeding?

Endometrial polyps can bleed, which is due to the proliferation of the endometrium resulting in a polyp-like tissue formation. This tissue sticks to the endometrium and thus has blood vessels on it. If women experience this, clinical symptoms will present as irregular vaginal bleeding. Such bleeding mostly occurs after menstruation has ended, followed by renewed vaginal bleeding, and the amount of bleeding can increase after physical activity. If this condition occurs, it is necessary to go to the hospital for an ultrasound to first rule out if it is caused by endometrial polyps.

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Written by Liu Jian Wei
Obstetrics and Gynecology
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Can endometrial polyps recur?

Endometrial polyps are a common gynecological condition. Generally, when detected, endometrial polyps need to be surgically removed. After treatment, there is still a chance of recurrence of endometrial polyps, although the chance is not particularly high. Some patients may have a higher chance of recurrence, which varies from person to person. If endometrial polyps recur, further surgical treatment may be necessary. Under normal circumstances, oral medication can be administered post-surgery to help possibly prevent the recurrence of endometrial polyps. (Please use medication under the guidance of a doctor.)

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Written by Yue Hua
Obstetrics and Gynecology
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Can endometrial polyps be misdiagnosed?

Endometrial polyps can be misdiagnosed as they are caused by excessive proliferation of the endometrial lining. Clinically, the thickness of the endometrium varies throughout the menstrual cycle. Typically, just before menstruation, the endometrium is quite thick. As a result, some women might notice that their endometrium appears thick, resembling a polyp. If such a condition is observed, it is advisable to wait until after a menstrual period when the endometrium has shed before undergoing an ultrasound examination. If it is indeed an endometrial polyp, it will not shed with the menstrual flow. If it’s just thickened endometrium, it will resolve after menstruation. Therefore, it is essential to perform an ultrasound after menstruation to confirm if it is an endometrial polyp. If the polyp persists after a clean menstrual cycle, it can be diagnosed definitively.