It's wrong to lie to your family about your pregnancy.
Joan grew up in an abusive household and is pregnant with her first child with her husband.
Joan wants to protect her future child from her abusive parents.
Joan tells her parents she is pregnant and lays out rules they must follow to have a relationship with their grandchild.
Joan decides to hide her pregnancy from her parents for as long as she can.
Joan's parents improve their behavior to be able to see their grandchild.
Joan's parents are extremely angry when they eventually find out and treat her even worse.