im 29 years old my lmp was dec 17,2011..i went to my gyne after 2mos late,i took 3 hpt but it came all negative,so my dr.gave me duphaston 2x day for 5 days,i took march 4-8,,its my 6 days now but i dont have yet my period ,,me and my hubby not often having sex,..what should i do..?thnx