Say what you will about Tumblr, but it's a goldmine for original pregnancy content. Here are a few good pages:

http://nerdynympho87.tumblr.com/ (Currently pregnant)
http://allaboutme-justforyou.tumblr.com/ (Currently pregnant)
http://retifist.tumblr.com/ (Posted pictures of his pregnant wife)
http://hornylittlemilf.tumblr.com/ (Formerly pregnant)
http://daddyslilfuckslut.tumblr.com/ (Formerly pregnant, A+ content)
http://tsnider30.tumblr.com/ (Posted pictures of his pregnant wife)