Suggest Treatment For Irregular Periods And Ovarian Cysts When Birth Control Pills Enabled Menstruation For Only One Cycle Followed By 3 Missed Period

Hello my wife in un able to conceive after 1 year of unprotected sex.she has irregular period.dx with ovarian cyst She started taking oral contraceptive for 3 month.after she completely her dose of birth pill.her period come normal for one month.now she is 3month no period and pregnant test negative....how can you assist