Hi . My Aga Is 29 . I Want To

Hi . My aga is 29 . I want to get pergant its been a year and 2month of marriage.I cconsider a doctor's. I had irregular period I did so many test as sh recommend me . After that she gived progyluton medicine to used for( 3 -4)month I used for 3 month till now I am not pergant. Should used more for 1 month so its be 4 month course. But one things if I get pergant iam useing this medicine and I didnt new iam pergant still uesed .so what will happend. In this cause who can I know iam pergant .Please sir answers me.