When did you get progesterone tested?

Kelly β€’ 2014 wife πŸ’ β€’ 2017 special needs mama πŸŽ€πŸ’ͺ🏻 β€’ πŸ‘ΌπŸΌπŸ‘ΌπŸΌπŸ‘ΌπŸΌβ€’ TTC

After a miscarriage when did your OB check progesterone levels to determine if you needed supplements or shots with your next pregnancy? After you got pregnant again? Before that? Thx!