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The Daily Insight

What causes an enlarged ovary after menopause?

Author

Abigail Rogers

Updated on March 01, 2026

An enlarged ovary is an ovary that has expanded past its normal size. The cause of this enlargement is often cyst formation. Other causes include endometriosis, benign tumors and, rarely, ovarian cancer. Many types of cysts can grow within the ovary, such as those called functional cysts that form during menstruation.

Should I be worried about an enlarged ovary?

Enlarged ovaries typically aren’t cause for concern. But if your symptoms don’t subside after a few days, see your doctor for diagnosis. Enlarged ovaries may be a sign of an underlying condition that requires medical treatment.

Can a post menopausal woman have ovarian cysts?

Cysts can form at any time throughout a woman’s life. Although many are associated with the menstrual cycle, cysts can also develop after menopause. Ovarian cysts may be asymptomatic, benign, and go away on their own. But they can cause pain and other symptoms if they grow too large.

Are benign ovarian masses common in postmenopausal?

In summary, ovarian cysts are common in postmenopausal women. Simple cysts less than 5 cm in diameter without concerning features can safely be followed with repeated ultrasounds.

Do ovaries swell during menopause?

Conclusion. An enlarged ovary can happen as a natural part of the menstrual cycle. If you have a larger-than-normal ovary size that doesn’t correspond to ovulation or you are past menopause, then it may be cause for concern.

What are the symptoms of an enlarged ovary?

While enlarged ovaries do not always cause symptoms, people with this condition may experience:

  • changes in bowel habits.
  • increased urinary urgency.
  • irregular menstrual cycle.
  • pelvic pain or pressure.
  • pelvic swelling or feelings of fullness.
  • persistent abdominal discomfort, such as bloating or nausea.
  • thinning hair on the head.

What is the normal size of a postmenopausal ovary?

The size of the normal, sonographically visualized postmenopausal ovary was 2.2 +/- 0.7 cm in transverse, 1.2 +/- 0.3 cm in anteroposterior, and 1.1 +/- 0.6 cm in longitudinal axes, with an average volume of 2.6 +/- 2.0 cm3.

What size are ovaries after menopause?

After menopause, our ovaries do shrink. Pre-menopause ovaries are 3-4cm, but after menopause they can be 0.5cm-1.0cm. The older we get, the smaller they become but they never disappear.

Can enlarged ovaries go back to normal?

Typically, enlarged ovaries will return to their regular size within a few days. Still, if you have concerns or are experiencing severe symptoms, you should reach out to your health care provider for assistance.

High fever (higher than 101 degrees Fahrenheit)

  • Persistent vomiting
  • Severe,sudden pain in abdomen
  • Why do your ovaries shrink after menopause?

    This Dr. explained that it’s not unusual, following menopause, for the ovaries to shrink to the point that they can only be located during surgery. He said that healthy, functioning ovaries, naturally rely on hormones…with menopause, the sharp decrease in estrogen can cause the ovaries to shrink, harden and even “float” behind the bladder.

    What size should normal ovaries be?

    The ovaries change in size, shape and position many times during a woman’s childbearing years. The size of the ovary in the premenopausal woman is 3.5 cm long by 2.0 cm wide by 1.0 cm thick or about the size of a walnut. There are, of course, considerable individual variations, and normal ovaries up to 5 cm are not uncommon.