Having some bad pain's

Hey y'all I am having some bad cramps it's not af cramps I been having twinges in my life side here and there glow Say's I won't ovulate til this month on the 25 I seen a lil spotting yesterday I was thinking maybe af was coming although I had af already & I put on a pad and it was nothing I end up wasting a pad yesterday I had bd yesterday and still no blood like af but I keep throwing up sleeping all day having bad back pain's everything Smell's sank to me but I am on cd 26 is that too late to get a bfp or on what cd I can end up with a bfp ! I am worrying but if I don't get no better I will be going in to see my doctor