on the 17 of sept i took a pregnancy test cause i was starting to have some really bad mood swings for no reason and my breast were hurting but the test came up negative a week went by and i took another one cause i was 4 days late in my period still negative the next morning i woke up with a yeast infection and apparently a UTI doctor took a pregnancy test and still showed up negative but gave me antibotics for my infection but my breats still hurt i have crazy food cravings im now ten days late in my period and im breaking out in acne on my face and chest and my legs are achy and i keep having hot flashes can my uti throw a pregnancy test off and do u think i could still be pregnant