Just finished playing Amnesia: Rebirth, and it's a pretty decent pregnancy game. It has a number of things I liked:
- Accelerated pregnancy
- Being able to look down and see your growing bump
- A button for rubbing your belly/talking to your baby.
- There are a couple of dreamlike sections where you see the baby as a giant fetus, and one of them shows it slowly getting bigger
- There's a section where your body is scanned and you see the baby inside you
- A playable labor & birth section
- A breastfeeding scene
If anyone knows of any other first-person pregnancy games, let me know.