***Baby #3: BFP Mother
I'm actually a nurse on the mother/baby unit there!
We are very family friendly! On labor and delivery you can only have 4 visitors and they each get a special sticker with your room number.
On M/B we are a little more lax and allow more visitors, but if you don't want your inlaws there, it's best that you just not tell them that you delivered. It's hard for us to monitor visitors. If someone knows your name and they ask what room you're in, someone will just tell them your room #. You can be considered "confidential" if you desire and then staff will not be able to even say you are a patient there.
Hope that helps! It really is a wonderful place to deliver! And congrats!