The very fact that this exists only goes to show how sick everyone is about hearing about everyone else's children.
Unbaby Me is a Google Chrome extension that allows you to replace pictures of babies in your Facebook newsfeed with other things.
The default setting replaces the babies with pictures of cats.
So, fair warning...by December 20th-ish, you'll probably want to download this thing if you don't want to drown in goo-goo-ga-ga (ra ra ah ah ah, roma, roma ma, gaga ooh la la) madness.
The internets is a weird place.