Hi I'm new at this,I'm a mum of one and I'm on the pill could I be pregnant,for about two weekends now my eating habits changed,my breast are painful sometimes,then today my period came three days early,n this is the first month this happened to me and from morning I'm not bleeding like normal,n when I go to pee n wiping its like pink slim,n my back n lower stomach is paining for about two weeks now,what dose this me help me pls ....