Hi,im 27 Yrs Old I Got Married 1and Half Yr

hi,im 27 yrs old i got married 1and half yr now .i had irregular period after marriage went under treatment for 6 months did scaning all r normal hormone inbalance now my periods are regular after taking tablets this month doctor suggested me to take progestrone soft gel capsule ,,will i become pregent nor not im worried ..she told after seeing this month we need to do hormone test ...actually i had an abortion periviously with an affair 5 yrs back 5 months baby ... pls help me out with this problem wat to do become pregent or i have any problem to suffer