Dumb question but worth the ask!

So I’m on cd 13 said to O in 4 days. My husband and I BD earlier this morning. Before hand I was having a good amount of lotion looking CM and then all of a sudden this afternoon I have had egg white stretchy CM. I am aware I will have discharge from the sex itself but is it possible that I am ovulating early? I have also been having pretty uncomfortable cramps the past two days. TIA ladies!