Not think im ovulating

Cometrius • Getting married in June i have two sons Zion who passed away while in labor back in 2004 and my Rainbow Baby Aiden who is almost 10.My future Husband has a son and daughter Pj and Zion,ready for #4
I had spotting in Sept just a little pink on a pad did blood test neg.. Now AF was due on the 19th nothing. I use to have pains in my sides bt not anymore.Havent seen any white or sticky discharge since summer.so how would ik if im ovulating or not?? TTC since June