A hysterectomy does not directly cause ovarian cysts, but they can and do occur after a hysterectomy.
During the monthly menstrual cycle, even after a hysterectomy, a functional ovarian cyst forms on the surface of a woman’s ovary. During ovulation, the cyst opens and releases the maturing egg. If the cyst does not open to release the egg, it can fill with fluid forming a follicular cyst.
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