Is Primolut N Effective In Helping To Conceive?

hello doctor,i had 2 missed abortion since last year,my doctor said rest for 1 year n get pregrent again,now i have completed tha time,but last month i have disturbence in my periods,my periods has continuing,so my doctor give me primolut n twice a day for 21 day.now im worried about dat can i get pregrent after completing a course of 1 month or i have to continue this course for 2 month more?plz answer my questuion

thank u