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It depends on te type of cyst
you have, I'm afraid. Some cysts produce different hormones and according to that treatment can be started if necessary. Usually the Gynaecologist should put you on the combines OCP to get your cycles regular again, and sometimes on the Progesterone
Depot injection. You need to discuss about these possibilities with the Gynaecologist and get an ultrasound
done as well. Avoid taking much stress
, eat right as these also influence the cycles.