How often should you check ovulation?

Mallory • 27 year old 👩🏻 Vet Tech 🐶Married to my amazing husband 💍 Hayden Lois 12-24-17 💗 Treyson Allen EDD 2-10-20💙
This is my first month TTC. I am interested to know how often and how many times a day you should use opk