hello Dr my girlfriend was 5 days late last month (feb 2012) she took 2 pregnacy test on the 4th of feb 2012 and they both turned out negative, she started her regulular period the next day 5th of feb it was for the full week, she said it was a bit brown but this isnt the 1st time it has been like that, its now march the 7th 2012 and she has got period pains but her period hasnt started yet, we are both confused please help!