How rare is it to get a positive then a negative?

Question

i got a positive then got all excited and waited a week took another test and it said negative but i bleed for like 3days does that mean i missed carried im confused but my bleeding was fine i wasnt in any pain!!!!!! should i take another test?????

Answer 1

yo baby expwoaded.

Answer 2

Congratulations.

Answer 3

wow and you're going to be a mother...

Answer 4

Could have been a bad test or sometimes when girls are on birth control, it can cause a false positive because of the hornones.

Answer 5

Are you talking about a pregnancy test? You're in the infectious disease category, and the probability of a false positive or negative could depend on the disease.