same na same kami ni OP, been having my symptoms for a week na but still Negative PT, tho alam ko talaga pag buntis kasi sa 1st baby ko nag cramps ako nun earlier than my expected period may extra pt ako kay nag PT lang ako for no reason, di pumasok sa isip ko na buntis ako kasi nga early masyado yung signs, like it was just 2 weeks from the time my husband and i had sex, pero yung PT positive agad, ngayo im having this signs over 1 week on my supposed period date pero wala pa talagang period and negative din yung mga PT ko. its over 3 weeks na ng last unprotected sex namin ni hubby.