Pregnancy announcements

Well me and my husband are living with some of his family and we want to have a baby and know we are ready for one, but his family thinks we do not want one and they don't think we can handle one, if any one has been in a similar situation comment how you announced it when you got pregnant😊 thanx
Update: Ik it will be difficult while living under someone else's roof, but we are having problems with people willing to rent to us because we are so young, I am 18 and he is 21