Can Having Sex During Menstruation Cause Prolonged Bleeding? - Obstetrics and Gynecology

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Is it possible for sexual intercourse during menstruation to cause prolonged bleeding?


Hello, Dr.
Lin.
I have a question to ask...
My menstrual period started on January 26, and I had sexual intercourse with my husband on January 30 and 31 (the fifth day of my period).
However, as of February 5, the bleeding has not stopped, and the flow is somewhat rapid.
At times, it accompanies urination.
I do not have any abdominal pain.
I would like to ask the doctor: Is my condition due to retrograde menstruation causing the bleeding? Should I wait for the bleeding to stop naturally, or should I seek medical attention? Thank you for your response, doctor.

Xiao Ci, 20~29 year old female. Ask Date: 2004/02/05

Dr. Lin Zhaopei reply Obstetrics and Gynecology


The normal duration of menstrual bleeding is about 5 days; if it exceeds 7 days, it is considered abnormal and medical attention should be sought promptly.
Menstrual blood reflux is often accompanied by pain, and the reflux occurs into the abdominal cavity.
Excluding factors such as abnormal pregnancy, uterine or ovarian tumors, the most common causes are endometrial inflammation, endometrial polyps, cervicitis, or cervical dysplasia, among others.

Reply Date: 2004/02/05

More Info


Having sex during menstruation can raise several concerns, especially when it comes to prolonged bleeding. In your case, it seems you engaged in sexual activity on the fifth day of your menstrual cycle, and now you are experiencing bleeding that has not stopped for several days. While it is common for menstrual bleeding to vary in duration and intensity, there are a few factors to consider regarding your situation.

Firstly, it is important to understand that menstrual cycles can be irregular, and the flow can sometimes last longer than expected. Factors such as hormonal fluctuations, stress, changes in diet, or even physical activity can influence the duration and intensity of menstrual bleeding. Engaging in sexual intercourse during menstruation can sometimes stimulate the uterus, which may lead to increased bleeding, but this is usually not a cause for concern unless accompanied by other symptoms.

Regarding your question about retrograde menstruation, this condition occurs when menstrual blood flows backward through the fallopian tubes into the pelvic cavity instead of exiting the body. While retrograde menstruation can happen, it is not typically associated with prolonged bleeding. Instead, it may lead to other symptoms such as pelvic pain or discomfort. Since you mentioned that you are not experiencing any abdominal pain, it is less likely that retrograde menstruation is the cause of your prolonged bleeding.

It is also worth noting that sexual activity during menstruation can sometimes lead to minor injuries or irritation of the vaginal walls or cervix, especially if there is vigorous movement involved. This irritation can cause additional bleeding, which may be mistaken for menstrual flow. If the bleeding is bright red and accompanied by a significant increase in flow, it may be worth considering whether there was any trauma during intercourse.

In your case, since the bleeding has persisted for several days beyond your expected menstrual period and has increased in flow, it would be prudent to consult a healthcare professional. They can perform a thorough evaluation to rule out any underlying conditions such as fibroids, polyps, or infections that could be contributing to your symptoms. Additionally, they can assess whether any hormonal imbalances may be at play.

In summary, while having sex during menstruation can sometimes lead to increased bleeding, prolonged bleeding beyond the expected duration of your menstrual cycle warrants further investigation. It is always better to err on the side of caution and seek medical advice if you have concerns about your health. A healthcare provider can offer personalized guidance and treatment options based on your specific situation.

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