Am entering the fourth month with no period my last period was in December 2010 took 3 test negative went to doctor negative. I use to take birth control but stop taking in September 2010 but I recv 2 periods after that so how come janruary 2011 no period I recv a spotting for one day (16) in janruary that was it after that no sign of period no swollen breast no pregnant symptoms no morning sickness what is wrong with my body, I do admit I don't drink as much water as I should also but even before I was still getn periods no prob