Suggest Remedy For The Unexpected Pregnancy

i am having amenorrhea since april 2010, my last LMP was in march but i dont remember the dates...i am unmarried and had intercourse in march...but i started taking primolut n 10 mg bd for 15 days...i stopped but still now didnot get my menses..i am n MBBS student today when i went for check up it showed positive in my urine HCG levels what to do now??? i am afraid as i dont know wat to do?? can u please guide me....