Yes I don’t believe that either, and nor does the Bible suggests such a thing.
But why are you asking these questions like you’re in the first grade?
Jesus was born in the flesh from Mary.
Most humans in the world call this process birth, and the one who gives birth is the mother.
Yes, we acknowledge that God has no parents and He is eternal, but in the flesh He chose a different way.
Through Mary via The Holy Spirit.
Now, I realize that you’re asking these questions because you might be allergic to Catholic vibes, but this is what the Bible says.
Jesus was born through Mary in the flesh via the Holy Spirit.
This is why we call her the mother of God in the flesh.