Reduced Menstrual Flow After Surgery: Is It Normal? - Obstetrics and Gynecology

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Decreased menstrual bleeding?


I had a teratoma removal surgery last May.
After the surgery, my menstrual blood volume returned to normal, but 3 to 4 months later, it started to gradually decrease.
Is this normal? During this time, my menstrual cycle also shortened from 7 days to 3 to 4 days.
I experienced a similar situation before the surgery; could this be a sign of recurrence?

danxin, 30~39 year old female. Ask Date: 2009/06/18

Dr. Li Guanghan reply Obstetrics and Gynecology


Hello: It could be related to physiological irregularities or issues with the uterus or ovaries.
A thorough examination is necessary before providing recommendations.
You are welcome to come in for a consultation.
Thank you! Wishing you peace and good health.

Reply Date: 2009/06/18

More Info


After undergoing surgery, particularly for conditions like a teratoma, it is not uncommon for women to experience changes in their menstrual flow. The reduction in menstrual flow you are observing, along with the shortening of the duration of your periods from seven days to three or four days, can be attributed to several factors, and it is essential to consider them in the context of your overall health and surgical history.

Firstly, surgical procedures can impact the hormonal balance in the body. The ovaries, which are responsible for producing hormones that regulate the menstrual cycle, may be affected by the surgery, especially if the teratoma was located near them or if there was any manipulation during the procedure. This hormonal fluctuation can lead to changes in menstrual flow, including a decrease in the amount of bleeding and a shorter duration of menstruation.

Secondly, the body undergoes a healing process after surgery, which can also affect menstrual cycles. It is possible that your body is adjusting to the changes post-surgery, and this adjustment period can manifest as altered menstrual patterns. It is not unusual for menstrual cycles to take several months to stabilize after a significant surgical event.

Regarding your concern about the possibility of recurrence of the teratoma, it is important to note that while changes in menstrual flow can be concerning, they are not definitive indicators of tumor recurrence. Teratomas can recur, but they typically do so in a different manner, often accompanied by other symptoms such as pain, swelling, or changes in abdominal or pelvic discomfort. If you are experiencing any unusual symptoms or have concerns about the possibility of recurrence, it is crucial to consult your healthcare provider for a thorough evaluation.

Additionally, other factors unrelated to the surgery could also influence your menstrual cycle. Stress, changes in weight, diet, exercise, and other lifestyle factors can all play a role in menstrual irregularities. If you have been experiencing significant stress or changes in your routine, this could also contribute to the changes in your menstrual flow.

In summary, while it is not uncommon to experience changes in menstrual flow after surgery, it is essential to monitor your symptoms and consult with your healthcare provider if you have concerns. They may recommend further evaluation, such as hormonal assessments or imaging studies, to rule out any underlying issues and ensure that your recovery is progressing as expected. Regular follow-ups with your healthcare provider are crucial to address any changes in your health and to provide peace of mind regarding your recovery and menstrual health.

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