Congrats! this is such an exciting time
I made my mom a grandma when she was 36 years old

now that Im older I realize how young she was! anyway she said she is "mama" not grandma so now all 3 of my kids call her Mama, my oldest asked her a few yrs ago why do we call you mama and not grandma, my mothers response was...grandma's are old with wrinkles and glasses LOL...so I said...so now can they call you grandma