Can Menstrual Blood Flow from the Urethra? Your Symptoms - Obstetrics and Gynecology

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Menstrual blood flowing from the urethra?


In the past three months, my menstrual flow has decreased to the point where I have to exert effort for it to come out.
After an ultrasound, the gynecologist diagnosed me with polycystic ovary syndrome.
I took medication to induce menstruation and ovulation, but the flow remained minimal.
Later, I noticed a milky white, odorless discharge that did not appear to be vaginal discharge.
When I touched the area around the vaginal opening, it felt swollen.
I used a mirror and discovered that after urination, a discharge was expelled from the urethra, which was milky white and odorless.
I then visited a urologist, who conducted a urinalysis and bacterial culture, diagnosing me with a streptococcal infection and prescribing antibiotics.
However, I did not improve.
I returned to the gynecologist, who examined me and mentioned a cyst below the urethra, advising me to go back to the urologist.
The urologist examined me again and stated that there was no cyst or urethral diverticulum and advised me to continue monitoring.
This month, my menstrual flow was still very light and thick.
I checked again with a mirror and confirmed that the menstrual blood was indeed flowing from the urethra after urination, not from the vagina.
Is it possible for menstrual blood to flow from the urethra?

Xi Xi, 20~29 year old female. Ask Date: 2015/07/05

Dr. Lin Manying reply Obstetrics and Gynecology


It is recommended to first consult a urologist for examination.
If there is blood coming from the urethral opening, consider the possibility of a fistula.

Reply Date: 2015/07/05

More Info


Menstrual blood flow typically originates from the uterus and exits the body through the vagina. However, the symptoms you are describing suggest a more complex situation that may involve both gynecological and urological issues. It is important to clarify that menstrual blood should not flow from the urethra, which is the tube that carries urine from the bladder to the outside of the body. If you are experiencing what seems to be menstrual blood coming from the urethra, it is crucial to investigate this further, as it may indicate an underlying condition that needs to be addressed.

Your recent history of decreased menstrual flow, the presence of a white, odorless discharge, and the sensation of a lump near the urethra are significant. The fact that you have been diagnosed with polycystic ovary syndrome (PCOS) and have been treated with medications to induce menstruation and ovulation suggests that hormonal imbalances may be contributing to your symptoms. PCOS can lead to irregular menstrual cycles and changes in the nature of menstrual flow, including lighter periods.

The white discharge you are experiencing could be related to several factors, including a possible infection or irritation. The fact that you have been treated for a streptococcal infection indicates that there may be an infectious component to your symptoms. However, if the antibiotics did not resolve the issue, it is essential to consider other potential causes, such as a yeast infection or bacterial vaginosis, which can also lead to abnormal discharge.

The sensation of a lump near the urethra could be indicative of a urethral cyst or another type of growth. While your urologist has stated that there is no cyst or diverticulum, it may be worthwhile to seek a second opinion or request further imaging studies, such as an ultrasound or MRI, to ensure that no underlying abnormalities are present.

Given your symptoms, it is advisable to follow up with both a gynecologist and a urologist. A gynecologist can further evaluate your menstrual irregularities and any potential hormonal issues, while a urologist can assess the urethral symptoms and any possible infections or structural abnormalities. It may also be beneficial to consult with a reproductive endocrinologist, particularly since you have a diagnosis of PCOS, to explore treatment options that can help regulate your menstrual cycle and address any associated symptoms.

In summary, while menstrual blood should not flow from the urethra, the symptoms you are experiencing warrant further investigation. It is essential to work closely with your healthcare providers to determine the underlying causes of your symptoms and to develop an appropriate treatment plan. Keep track of your symptoms, including any changes in discharge, menstrual flow, or pain, and communicate these to your doctors to aid in their assessment.

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