After having my son in mid October I got the depo got my first shot first week December should have been ok til at least the end of February bleeding almost the whole 3 months no bleeding after shot its now first week of April was cramping before I used plan b cramped a couple more days still no period I am very fertile been a week my home test are cheap but negative cant tell if there is a very faint second line took multiple tests but my mind is playing tricks on me cant tell if test is positive looking too hard for faint lines please help