Hii I Am Pooja. A 29 Yr Old Woman. I

Hii i am pooja. A 29 yr old woman. I have been married for last 2yrs. Since last 3 mnth iam trying for baby but failed to got pregnant. I used to get my periods 6 or 7 days before. N my days are pain full. So I consult a gynic Dr. She diognsed it as a chocolate cyst in the left ovary n suggest me to take duphaston for 3 month. Is it really helpful for getting pregnant. Plz suggest. I am eagerly want a baby.