Advice please!

Hey ladies, just found out a month ago I am pregnant, totally unexpected! My hubby and I are thrilled but I havent told my parents yet. Currently, we are living with them until hubby finds a new job and we will be moving out afterwards.. I think they'll be dissapointed because we are not in a good financial place right now, what should I do? I know I have to tell them soon. But I love myparents and don't want them to be dissapointed in me.