Pre if yung first 3-10 mins is walang lumabas na 2nd line negative yan ,if chineck mo ulit yung pt na ginamit after 20mins or more may lalabas talagang faint line jan pero that doesn't mean na positive sya its called a "false positive" parang kumalat na ng sobra yung ihi nya tas natuyo kaya lumabas yung positive line , ganyan na ganyan nangyari sakin kaya sobrang nagpanic kami then nagpacheck up kami and ayun walang nabuo HAHAHHAHA tas eto pa pag nag delay sya ng 1 week or more sa period nya kabahan kana
base po sa experience, tanungin mo muna tung gf mo kung regular or irregular yung dalaw niya. kung regular most likey positive yan. pero kung irregular, umiiba kasi hormonal activity ng babae kaya di accurate ang PT, para mawala ang duda just do *******cy test via blood.