Abnormal Bleeding: Is It Menstruation or Something Else? - Obstetrics and Gynecology

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Abnormal bleeding


I haven't masturbated in a long time, and my method has always been rubbing against my thighs without using any objects for penetration.
However, after I just masturbated, I felt my underwear was damp, and when I went to the bathroom, I noticed a little bit of blood.
After a few minutes, there was no more blood on my underwear, but when I exerted myself, blood came out again.
Sitting on the toilet, it felt like I was about to get my period, but it didn't quite feel the same.
I'm not sure if it's my period or if my hymen has ruptured.

Niming, 10~19 year old female. Ask Date: 2018/03/17

Dr. Lin Manying reply Obstetrics and Gynecology


Hello, Miss: Regarding the issue you mentioned, it could be due to friction causing mucosal bleeding in the vulva (including the hymen), or it may be bleeding from uterine contractions related to orgasm.
If the bleeding persists, it is recommended to consult a gynecologist.
The Hualien Hospital of the Ministry of Health and Welfare cares about your health.

Reply Date: 2018/03/17

More Info


Abnormal bleeding can be a source of confusion and concern for many individuals, especially when it occurs outside of the expected menstrual cycle. In your case, the experience of light bleeding after masturbation raises several important considerations.

Firstly, it is essential to differentiate between menstrual bleeding and other types of vaginal bleeding. Menstrual bleeding typically occurs in a cyclical pattern, while other types of bleeding can result from various factors, including hormonal fluctuations, physical trauma, or underlying medical conditions.

In your situation, the fact that you experienced a small amount of blood after masturbation, particularly when you mentioned that you have not engaged in penetrative sexual activity, suggests a few possibilities. One potential cause could be minor trauma to the vaginal walls. Even without penetration, vigorous rubbing or friction can sometimes lead to irritation or small tears in the vaginal tissue, which may result in light bleeding. This is especially true if the area is sensitive or if there is insufficient lubrication.

Another possibility is that the bleeding could be related to hormonal changes. If you are approaching your menstrual cycle, your body may be experiencing fluctuations in hormone levels, which can lead to spotting or light bleeding. This is often referred to as "breakthrough bleeding" and can occur in individuals with irregular cycles or those who have recently started hormonal treatments.

Regarding the concern about the hymen, it is important to note that the hymen can stretch or tear due to various activities, including physical exercise, tampon use, or even vigorous masturbation. However, if you have not engaged in penetrative intercourse, it is less likely that the bleeding is due to hymenal rupture. The hymen's condition varies greatly among individuals, and its presence or absence does not necessarily correlate with sexual activity.

If the bleeding persists, increases in volume, or is accompanied by other symptoms such as pain, discomfort, or unusual discharge, it is crucial to seek medical attention. A healthcare provider can perform a thorough examination to rule out any underlying issues, such as infections, polyps, or other gynecological conditions.

In summary, while the light bleeding you experienced after masturbation may be due to minor trauma or hormonal fluctuations, it is essential to monitor your symptoms. If you have any concerns or if the bleeding continues, do not hesitate to consult a healthcare professional for a comprehensive evaluation. They can provide you with the necessary guidance and support to address your concerns and ensure your reproductive health is maintained.

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