Uterine Bleeding: Causes and Concerns for Women - Obstetrics and Gynecology

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Uterine bleeding issues?


Hello, doctor.
I previously thought that my menstrual periods were prolonged and would take a long time to end.
I did not have my period for about six months last year, and in January of this year, I experienced abnormal uterine bleeding.
Last month, I underwent a hysteroscopy in the outpatient clinic, where the endometrium was scraped for biopsy, and the results were normal.
There are fibroids and polyps in the uterus, and blood tests indicated ovarian function decline.
However, after more than a month, I experienced bleeding from the uterus again.
Could you please explain why this might be happening? What could be the possible causes of this bleeding? Thank you.

Mi Mi, 40~49 year old female. Ask Date: 2020/03/31

Dr. Wu Xianghui reply Obstetrics and Gynecology


Abnormal bleeding and irregular menstrual cycles can have many underlying causes.
It is recommended to consult a specialist in obstetrics and gynecology for evaluation.

Reply Date: 2020/03/31

More Info


Uterine bleeding can be a complex issue for many women, and understanding its causes and concerns is crucial for effective management. Based on your description, it seems you have experienced a range of symptoms, including abnormal uterine bleeding, which can be distressing and confusing.

Firstly, it’s important to recognize that abnormal uterine bleeding can arise from various factors, including hormonal imbalances, structural abnormalities, and other medical conditions. Given your history of uterine fibroids and polyps, these could be significant contributors to your bleeding episodes. Fibroids are benign tumors of the uterus that can cause heavy menstrual bleeding, prolonged periods, and even bleeding between periods. Polyps, which are growths on the inner lining of the uterus, can also lead to irregular bleeding.

The fact that you underwent a hysteroscopy and endometrial biopsy, which returned normal results, is reassuring. However, it does not entirely rule out the possibility of bleeding due to fibroids or polyps, especially if they were not completely removed during the procedure. Sometimes, these growths can cause intermittent bleeding even after surgical intervention.

Hormonal imbalances are another common cause of abnormal bleeding. The menstrual cycle is regulated by a delicate interplay of hormones, and any disruption can lead to irregularities. In your case, the blood test indicating ovarian function decline suggests that you may be experiencing perimenopause or menopause, which can lead to unpredictable bleeding patterns. During this transitional phase, the body may produce fluctuating levels of estrogen and progesterone, leading to irregular shedding of the uterine lining.

Stress and lifestyle factors can also play a role in menstrual irregularities. Emotional stress, significant changes in weight, and alterations in physical activity can all impact hormonal balance and, consequently, menstrual cycles. If you have experienced significant stressors recently, such as emotional upheaval or lifestyle changes, these could contribute to your symptoms.

Additionally, it is essential to consider other potential medical conditions that could lead to abnormal bleeding. Conditions such as endometriosis, adenomyosis, or bleeding disorders can also manifest as irregular bleeding. If you have not been evaluated for these conditions, it may be worth discussing with your healthcare provider.

Given your ongoing symptoms, it is advisable to maintain open communication with your healthcare provider. They may recommend further evaluations, such as imaging studies (like an ultrasound) to assess the size and condition of fibroids or polyps, or additional blood tests to evaluate hormone levels. If the bleeding persists or worsens, further intervention may be necessary, which could include medication to help regulate your cycle or, in some cases, additional surgical options.

In conclusion, abnormal uterine bleeding can stem from various causes, including structural abnormalities like fibroids and polyps, hormonal imbalances, and other medical conditions. It is crucial to work closely with your healthcare provider to identify the underlying cause of your symptoms and develop an appropriate management plan. Keeping a detailed record of your bleeding patterns, associated symptoms, and any lifestyle changes can also be helpful in guiding your treatment. Remember, you are not alone in this, and there are effective strategies to manage and alleviate your concerns regarding uterine bleeding.

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