Bbt? Advice please

Alicia • Mommy to a 5 y/o little girl. Angel mama 🥺❤️ Wife 💍

I plan to track bbt along with OPKs next month if I turn out not to be pregnant.

Any advice would be appreciated.

Do I temp during AF?

Vaginally or orally ? Which is better

Thank you!

Any advice is appreciated