How Long Will Irregular Menstrual Cycles Last After Ovarian Surgery? - Obstetrics and Gynecology

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Irregular menstruation can last for varying durations depending on the underlying cause. It may persist for a few cycles or extend over several months. It is important to


Hello, Doctor: (I apologize, although there are similar questions in the online Q&A, I don't quite understand...
so...) I would like to ask you, I had a right ovarian teratoma removed in early May.
My menstrual cycle started from May 31 to June 3, but I experienced similar menstrual-like symptoms again on June 9-10.
After consulting a doctor, I was told that my cycle might be irregular due to the recent surgery.
However, starting from mid-June, I have been experiencing lower abdominal pain for about a week, which seems to be related to ovulation.
Since I planned to travel from June 23 to June 29, I took medication to delay my period.
After stopping the medication, my period has not come yet.
Is it possible that my cycle is disrupted? Or could there be a chance of pregnancy since I had unprotected intercourse on June 4-5 (but I took a pregnancy test around July 1 that showed negative)? Recently, I have been experiencing frequent sharp pains in my lower abdomen (which feels similar to the symptoms I had when I discovered the right ovarian teratoma), but I think I might be overthinking it! ^^ What could be the situation? Should I take another pregnancy test, or is it likely that my period won't come this month? The pain is really bothering me.
Thank you, Doctor.

Weiwei, 20~29 year old female. Ask Date: 2004/07/04

Dr. Mao Yikun reply Obstetrics and Gynecology


Hello: After ovarian surgery, it is possible to experience irregular menstruation.
If pregnancy is ruled out, menstruation can be induced to restart the cycle next week.

Reply Date: 2004/07/04

More Info


After undergoing ovarian surgery, such as the removal of a teratoma from the right ovary, it is common for women to experience irregular menstrual cycles. The duration and nature of these irregularities can vary significantly from person to person, depending on several factors including the type of surgery performed, the individual's hormonal balance, and overall health.

In your case, since you had surgery in early May and experienced your menstrual cycle shortly thereafter, it is not unusual for your cycles to be disrupted. Surgical interventions can temporarily alter hormone levels, which may lead to changes in the menstrual cycle. The body often takes time to adjust after such procedures, and it is common for cycles to be irregular for a few months post-surgery.
You mentioned experiencing menstrual-like symptoms shortly after your surgery and then having a week of abdominal pain around mid-June, which could be related to ovulation. This is known as mittelschmerz, or ovulation pain, and can occur when the ovary releases an egg. The use of medication to delay your period may also contribute to the irregularity of your cycle, as hormonal medications can affect the timing and nature of menstruation.

Regarding your concerns about pregnancy, if you had unprotected intercourse shortly after your surgery, there is a possibility of pregnancy, although the likelihood may be lower due to the recent surgical intervention. A negative pregnancy test on July 1 suggests that you are not pregnant, but if you continue to experience symptoms or if your menstrual cycle does not return to normal in the coming weeks, it may be wise to consult your healthcare provider for further evaluation.

The abdominal pain you are experiencing could be due to a variety of factors, including normal post-operative healing, ovulation, or even anxiety about your health following surgery. It is essential to monitor your symptoms closely. If the pain persists, worsens, or is accompanied by other concerning symptoms (such as heavy bleeding, fever, or severe discomfort), you should seek medical attention promptly.

In summary, irregular menstrual cycles after ovarian surgery can last for several months as your body adjusts. It is essential to give your body time to heal, but if you have ongoing concerns about your menstrual cycle or any pain, do not hesitate to reach out to your healthcare provider for personalized advice and support. Regular follow-ups and open communication with your doctor can help ensure that any potential issues are addressed early on.

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