Fertility question

BeautyMommy • I love my family
My period was late and short this month, throwing all my tracking out of whack. According to glow there's a full 8 days between my last AF day to my first fertile day. That seems like a lot to me and doesn't seem right. On top of that my CM isn't normal for ovulation. I'm wondering could I have skipped ovulation this month or is glow wrong and could have taken place last week. Anybody?