Late ovulation?

Kim • Mummy to Aliza, 09/06/2017 - Henry 05/02/2020

Hi all,

My last period was 01/02/206, had sex on the 13/02/2016 expected ovulation was the 15/02/2016, period was due last Friday the 4th of a 32 cycle. I am five day's late for AF. I took a test on CD35 which was bfn. On CD31 I had blobs of clear, gluey CM which I have never experienced before, this lasted 2-3 day's. I've had creamy cm since. Currently on CD38 still no show of AF. Do you reckon I had ovulated on CD31 and that's why the pregnancy test came up bfn? 206 have read up that the clear/gluey cm could be a sign of the mucus plug forming.