Mary in a Catholic Movie?

Some of her most expressive moments were perhaps as Elizabeth is giving birth and Mary is in the room. I think she's realizing she's seeing her own future and is slightly terrified at the prospects of it. And that's the last emotion we see in Mary for a while. She has like this. With the native story. Like just the stone wall. Micro expressions. That's great. Full of smiles across the movie, but...