hello im kass, my question is the fallowing : for a while i have been having nausea, very tired, head aches & i missed my period by 3 days, i took a pregnancy test but always comes out negative, im currently trying to conceive , i have had anorexia in the past but 4 months ago my period started being regular again, and i slowly recovered from anorexia, i am wondering why i often have pregnancy symptoms, breast are bigger, nausea , cravings & all other symptoms due to preganncy but my tests are alwaye negetive ?