How do ovarian cysts form? Andhow can I prevent them? How do they go away? How often do they occur?

Ovarian cysts. Ovarian cysts are extremely common and can be due to many different issues. Most are benign. A large cyst can increase the incidence of ovarian torsion. Common cysts arise from endometriosis, dermoids and hemorrhagic copora luteals cysts. There is no sure fire way to prevent these. See your doctor for more info.