NO!!!!!!!!
You are just making that up.
Show me in Scripture where anyone other than Jesus is referred to as the Child of Mary.
I am not making anything up. Honestly it makes NO Godly sense for a denomination so obsessed with contraception, they could with a straight face require Mary to use contraception.
Mary was not is not a deity, no matter what the traditions of men claim to the contrary.
Matt. 12:46; 13:55; Mark 6:3; John 2:12; 7:3, 5, 10; Acts 1:14; 1 Cor. 9:5; Gal. 1:19).