Had sex 19 JAN 2nd day of period , Period 14 FEB (4 days, 2 days of good flow 3rd day moderate flow upto afternoon, less flow from there to next day afternoon and later brownish mucus) took HPT 13,20,28 FEB all -VE. 13th had a labourious day (hard physical labor). Had a dizzispell on 23rd after comsuming food on dinner. lower backpain today. having wind problem.AM I PRGNANt?