Having lost a pregnancy myself, I think it's a good idea to have an idea of what one would or would not say in the case that one encounters others who have lost a pregnancy, baby or child. Some of the things I heard from well-meaning people when I was grieving my loss were really insensitive and hurtful.
http://blogs.babble.com/being-pregnant/2012/04/24/10-websites-for-baby-loss-mom/
http://blogs.babble.com/being-pregnant/2012/04/24/10-websites-for-baby-loss-mom/