Hi I Am Trying To Conceive For Last 6 Months...but

Hi i am trying to conceive for last 6 months...but its negative.i had an abortion 5 years ago.recently a small cyst was seen in right ovary...but now its not present because of treatment. my doctor prescribed me duphaston 10 tablets from 17th to 28th days as am trying to conceive..would u suggest me that its ok and it will help me to be pregnant?