This vegan guest we just had wasn't obcessive about it. She said she wouldn't freak out if I used an egg in a baked product. She was very pregnant and due is 6 weeks. I double checked if she was still eating vegan since I have had other guests who when pregnant added in some animal products to ensure the baby developed properly.
She still ate vegan, but she was drinking regular coffee and some wine. Seems a little backwards to me, but hey, to each his/her own.

