So...

My cycles have been irregular for about two years... I recently took a few pregnancy tests just to be sure.... 3 of the test say negative, 1 is a faint positive and that appeared the next day. I have been dizzy but that is as of late and one had some cramping... Could I really be pregnant? We use the pull out method among with the VCF strips and condoms occasionally so I'm kinda freaked out...