Hardly.
Why do you deny that the Father is God?
If you say that Mary is the Mother of God, then you are saying that Mary is the Mother of the Father.
I don't deny that the Father is God.
If you say that Mary is the Mother of God, then you are saying that Mary is the Mother of the Father.
No. That's a non sequitur. There are three hypostases in God. To be the mother of God does not entail that one is the mother of all three hypostases.
-A8