Bakit po first PT ko positive then 2nd nag negative?

try pt 1st wiwi in the morning pag negative pren , blood serum kna mas accurate un. ako 1st pt ko positive agad then kinabukasan nag blood serum ako, confirmed na buntis ,❤️

pa serum ka bi 😊 or try ka ulit mag PT after 3days or a week

baka evaporation line? Subukan mo nalang ulit.

try ka ulit after a week. or blood test serum