Could i be pregnant ????

ok i came off the pill about 4 months ago (doctors orders not because ttc ) weve been very careful although once we didnt use cont though he says nothing happened to him (i belive him ) though worried about precm , im due yesterday ! been having really bad cramps sore random moods and have that feeling i had with my son my last cylce was 27th april im 28 days on the dot every month my mum even asked me if i was because she said i had that look about me and my moods change very quickly no morning sickness never had any with my son either what do you guys think ?