help! I dont know how to tell my dad im pregnant?.

hey i need help I'm 22yr and I'm 3months prego now . yes i know how can i be afraid to tell my dad I'm pregnant well, I'm the baby of the family and he has always take care of me... and he wants whats best for me but he is very old fashion.. no sex before marriage kinda. well this is the thing I'm not marry and don't plan to get marry with BD. and I'm not even with him... and i live with my parents as well.. and i just got laid off so i cant even move out can someone help with advise plz i been trying to tell him or think of somehow to tell him but cant.