Abnormal Vaginal Bleeding: Causes and Concerns - Obstetrics and Gynecology

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Vaginal bleeding


Hello Dr.
Wu, about 2-3 years ago, I had a habit of masturbation, with a frequency of about once or twice a week.
I did not use any other tools, and afterward, I would wipe with tissue and wash my hands with soap.
However, in the past six months, I have experienced non-menstrual bleeding, which is a small amount of reddish-brown color.
Sometimes it lasts for a few hours, and other times it lasts for about 2-3 days, but it is not like my menstrual period; rather, it is intermittent.
(My menstrual cycle is still relatively normal.) What could be the cause of this?

Shan, 30~39 year old female. Ask Date: 2020/07/03

Dr. Wu Xianghui reply Obstetrics and Gynecology


Abnormal bleeding and irregular menstrual cycles can have various underlying causes.
It is recommended to consult a gynecologist for evaluation in an outpatient setting.

Reply Date: 2020/07/03

More Info


Abnormal vaginal bleeding can be a source of concern for many women, and understanding its potential causes is crucial for addressing any underlying issues. Based on your description, it seems you are experiencing intermittent spotting that is not associated with your menstrual cycle. This type of bleeding can arise from various factors, and it is essential to consider both physiological and pathological causes.

Firstly, one common reason for mid-cycle bleeding is ovulation bleeding, which occurs when the ovary releases an egg. This can lead to a slight drop in estrogen levels, causing a small amount of the uterine lining to shed. This type of bleeding is usually light and may appear as pink or brown discharge. It typically lasts for a few hours to a couple of days, aligning with your experience of spotting that lasts intermittently.

Another potential cause could be hormonal imbalances. Hormonal fluctuations can lead to irregularities in the menstrual cycle, resulting in unexpected bleeding. Factors such as stress, significant weight changes, or changes in physical activity can influence hormone levels. Since you mentioned a history of masturbation, it's important to note that while this practice is generally safe and does not directly cause bleeding, any changes in sexual activity or stress related to it could potentially impact your hormonal balance.

Infections or inflammation of the reproductive organs, such as cervicitis or vaginitis, can also lead to abnormal bleeding. These conditions may arise from sexually transmitted infections (STIs) or other infections, and they can cause symptoms such as unusual discharge, odor, or discomfort. If you have not been screened for STIs, it may be worth considering, especially if you have had new or multiple sexual partners.

Polyps or fibroids in the uterus can also cause irregular bleeding. These benign growths can lead to spotting between periods, and while they are usually not serious, they may require monitoring or treatment if they cause significant symptoms. A pelvic ultrasound can help identify these conditions.

Lastly, it is essential to consider the possibility of more serious conditions, such as endometrial hyperplasia or even early signs of endometrial cancer, especially if you are experiencing persistent or heavy bleeding. While these conditions are less common in younger women, they should not be ruled out entirely.

Given your symptoms and the fact that you have been experiencing this for several months, it is advisable to consult a healthcare professional for a thorough evaluation. A gynecological examination, including a pelvic exam and possibly imaging studies, can help determine the cause of your abnormal bleeding. Additionally, discussing your menstrual history, any changes in your lifestyle, and your sexual health with your doctor will provide valuable context for your symptoms.

In summary, while there are several benign explanations for your symptoms, it is crucial to seek medical advice to rule out any serious conditions. Keeping a record of your bleeding patterns, associated symptoms, and any other changes in your health can also be helpful for your healthcare provider in making an accurate diagnosis. Remember, open communication with your healthcare provider is key to addressing your concerns and ensuring your reproductive health.

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