Am I out this month??

Hi I ovulated 10 days ago, I am now 4 days away from af. I did do a pregnancy test today which was negative. I am now experiencing cramps in my lower tummy and when I went to the toilet and wiped, I had egg white cm with a very slight pink tinge. It was just a small amount of cm but I have had this type of cm from ovulation (not pink tinged tho) do you think that's me out for this month? I normally am very regular 28 day cycle. Surely if I had conceived this month it would at least show a very faint line by now?