i am a 28 year woman and i have been going crazy i have been moody as hell my breast feel like thes they are extra heavier i have been getting headaches alot lately my gums are swollen and bleeding at times i feel very bloated i have been getting my period although the last 2 times i got it my period was a lil lighter than noramal my nipples hurt a lil more than normal i threw up about 3 times in the last 2 months i took about 4 home pregnancy test and they all keep comming back negative something is not right i feel like im pregnant does ne one know what i should do???