Uterine Issues: What Could a Round Mass Indicate? - Obstetrics and Gynecology

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Uterine issues


Hello, doctor.
I would like to ask about a round mass I felt on the left side of my vagina (when I insert my hand, it's in the upper left area).
It is about the size of a knuckle, feels somewhat like a tumor, and is not painful or bothersome.
However, my menstrual cycle has been irregular.
Two years ago, I took ovulation medication for four months to regulate my cycle, and I had an ultrasound at that time, which the doctor said was normal.
I also usually have yellow-green discharge.
Could you please tell me what this issue might be? Thank you.

Niming, 20~29 year old female. Ask Date: 2017/01/20

Dr. Cai Yonglong reply Obstetrics and Gynecology


Hello: Vaginal cysts or polyps are quite common, and most are benign.
If there is no redness, swelling, heat, pain, or bleeding, there is generally no need for concern.
However, it is still advisable to consult a specialist at an obstetrics and gynecology clinic.
(If there are any doubts, consider surgery or at least a biopsy.)

Reply Date: 2017/01/20

More Info


When you discover a round mass in the vaginal area, particularly on the left side, it can understandably cause concern. Given your history of irregular menstrual cycles and previous use of ovulation medications, it’s essential to approach this situation with a comprehensive understanding of potential causes and implications.

Firstly, the round mass you are feeling could potentially be a cyst. Ovarian cysts are fluid-filled sacs that can develop on the ovaries and are quite common, especially in women of reproductive age. Many women experience them without any symptoms, and they often resolve on their own. However, if the cyst is larger or if it causes discomfort, further evaluation may be necessary.

Another possibility is that the mass could be a fibroid, which is a benign tumor of the uterus. Fibroids can vary in size and can sometimes be felt during a pelvic examination. They can contribute to menstrual irregularities, such as heavy bleeding or prolonged periods, which may explain your experience with erratic menstrual cycles.
Additionally, the presence of yellow-green discharge could indicate an infection, such as bacterial vaginosis or a sexually transmitted infection (STI). Infections can sometimes lead to the formation of masses or cysts in the pelvic area, and they may also contribute to changes in menstrual patterns.
Given your previous ultrasound results indicated everything was normal, it’s possible that the mass you are feeling is a new development. It’s crucial to consult with a healthcare provider who can perform a thorough examination, including a pelvic exam and possibly a follow-up ultrasound, to determine the nature of the mass.
In terms of management, if the mass is determined to be a benign cyst or fibroid and is not causing significant symptoms, your doctor may recommend a watchful waiting approach. However, if it is causing pain, discomfort, or significant menstrual irregularities, treatment options may include hormonal therapies, medication to manage symptoms, or surgical intervention if necessary.

It’s also important to address the irregular menstrual cycles you’ve been experiencing. Hormonal imbalances can often lead to such irregularities, and your history of taking ovulation medications suggests that your menstrual cycle may have been influenced by hormonal factors. A healthcare provider may suggest further hormonal evaluation or treatment options to help regulate your cycle.

In summary, while the round mass you are feeling could be a benign cyst or fibroid, it’s essential to seek medical evaluation to rule out any serious conditions and to address your menstrual irregularities. Regular gynecological check-ups and open communication with your healthcare provider about any changes in your body are vital for maintaining reproductive health.

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