I Had Face 3 Months Miscarriage 2 Year Ago .I

i had face 3 months miscarriage 2 year ago .I am trying to conceive from last 6 months but am not pregnant yet. I have consult with doctor also she gives me FOLIC ACID & HYPONID MEDICINE after having this medicine my menstruation period is start in exact 30 days. am really fed up what should i do for being pregnant ? In 1 month i drunk alcohol 2, times it affects in conceiving or not. your suggestion is needed how to concive.