Cervix Mucus Before Period Can You Ovulate Right Before Your Period!!! Please Let Me Know!!!?

Can you ovulate right before your period!!! Please let me know!!!? - cervix mucus before period

I'm curious to know if any of you had turns on the right side of ovulation test positive before it can find the time? I TTC for a year and I'm on 33 days and yet they are no clear rules abundant mucus and my throat is very delicate and open op .... Let me know, girl!