S.C.
i knew my cycle like the back of my hand i too took a test early and came back negative, i waited one week and a faint positive appeared then a few days later went to the health department and had a sure positive imagine to my suprise i found out at three and a half weeks that makes for a looooong pregnancy.honey you'll just have to wait a liitle while longer!!! it sounds as though you are triing so good luck and i'll pray for you and take it easy untill you found out for sure let me know how it goes ok!!!:> or you could go get a blood test:>