An<unk>  is a sac filled with fluid that forms on or inside of an ovary.
Functional<unk> s are<unk> s that form during your monthly menstrual cycle, called . Functional<unk> s are not the same as<unk> s caused by cancer or other diseases.
Ovarian cyst
Ovarian Sarcoma
Ovarian fibroma
Epithelial ovarian tumors
Ovarian torsion
Ectopic pregnancy
Testicular cyst
Hysteria