Hi mama, honestly kahit negative ang PT, 6 days delayed could still mean pregnancy, sometimes ang hormones ay slow mag-build, especially if your cycle is irregular or kung late ka mag-ovulate that month. A few of us mums actually got positive results on day 8 or 10 pa lang ng delay kaya hindi magmadali! Best thing talaga is to see your OB para sa blood test (beta hCG), mas accurate yan kaysa PT at magbibigay ka ng peace of mind agad. In the meantime, try to relax lang and avoid stress, easier said than done, alam ko, pero nagkakatulong talaga. Let me know na lang kung ano ang result, rooting for you!