Hi, I Am 27 Yrs Old. I Am Planning For

Hi, I am 27 yrs old. I am planning for the baby. After undergone the Appendicitis operation in 2010 after that i am having the irregular periods problem. I am having the Multiple tiny cyst in the scan i taken two months back. Then doctor suggested my Glycomet, Pinky from my day one of the periods and suggest me to take deivry on my 18th day of the cycle and assured me definitely this will help me to get conceive. But at the 35th day i got my periods that too its not looks regular, less bleeding with brownish color. I am much worried about this. I need to get pregnant. can you pls help me.