Mother of God is clearer. Mother of Christ invites the question, well, she is mother of God then, no? Or is Christ not God?
There is no substitution for literacy.
I said, "Mother of Jesus the Christ. "
That is the most accurate description of the one who was borne by Mary.
Jesus the Christ.
The Father was not borne by Mary. The Holy Spirit was not born to Mary.
It was the incarnate 2d person of the Godhead who was born to Mary.