I was on depo two times the first was from summer of 2004 to winter of 2005. Then went back on it spring of 2008. The first time a few months later my period came was very regualr. This time I was supose to go get end of oct on halloween to be exact. I always went in two weeks before i had to. Now i am feeling very naused, it hits like its moring sickness. i am gaining weighting last time i last weight like crazy. My breast are also very tender and swollen. I feel like i was pregnate with my kids before. I took a pg test and it came back negtive. I am wondering what going on. I did have unprodected sex with a ex boyfriend too. Have bunch of frieneds who think i am pregnate too. I am also having to pee alot too.