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Print: What is an ovarian cyst?
An ovarian cyst is a fluid-filled sac in or on the ovary. There are several types of ovarian cysts. Many ovarian cysts are noncancerous cysts that occur as a result of ovulation (the release of an egg from the ovary). These are called functional cysts.
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Written by familydoctor.org editorial staff
Reviewed/Updated: 08/10
Created: 09/00
