Tested 2 days late n both were negative...?

I am taking the test too early or I'm not pregnant. I still haven't gotten my period since LMP 1/5/11 nor cramps. I had a few noticeable cramps a few days ago but nothing painful. I have no other symptoms besides using the restroom a lot. I used a first response, are they accurate? *** When did get your BFP and any symptoms you had after a missed period?