5cm cyst

Monica
Okay so i have a 8yr old son and after i had him in 06 i got on the iud , i ended up takin it off august 2014 and i had been ttc si ce then and nothing, well this past may i went to a fertility doctor in mexico and i had a vaginal ultrasound and he said my uterous was healthy and looked good and my left ovary was good too and when he went to check the left side he found the stupid cyst, i was sooooo upset because he said there was a 50/50 chance it can go away , he prescribed me bc nordit , ive been reading online that some cyst do go away being that size , im tryna be positive and praying i wont need surgery. Has anybody has a 5 cm cyst go away with bc