Accurate pa rin ang PT kahit may spotting, kasi ang hCG hormone yun ang binabasa niya, hindi ang regular period, pero kung gusto mo ng most reliable result, better wait a few days pa or do a blood test na lang, kasi sometimes spotting can be confusing tapos mas mababa ang hCG sa early days pa One of my mum friends nag-PT habang may light spotting and it came out positive, pero she got her results confirmed with a blood test pa rin to be 100% sure, so baka yan ang best move mo para walang doubt!