Just say.... "I'm thankful for this turkey that will help me grow this baby".
Meh. Our parents found out immediately because I wasn't drinking. Well, IL's, that is. I got my BFP the night before the Hurricane hit the East coast.
A Monkiem who does not drink, is a Monkiem who is knocked up.
My parents live 3,000 miles away - we felt it wasn't fair to exclude them, so we told them the same day IL's guessed.
Asides from my two closest friends, everyone else IRL will find out with our holiday cards.