Hi, I did not get my period for the month of March. I was suppose to get it around March 25-29 I have been havin g cramps and tender breast for the past 2 weeks and do not seem to go away. I took a pregnancy test and it came out negative. I have also have been trying to get pregnant as well. During the month of March I started taking Hydroxicut and excercising and i know with too much excirse your period can stop but i have not lost any weight instead I gained. Please help