I think that if you put something like "Jane and John and Baby Doe to be" it might be cute (especially if you are close to your duedate), but otherwise, no.
+1 (10/23/03) +1 (05/03/05) + 1 EDD 09/22/09!
I did, but only to close friends and family. I signed it with "and Baby." I only did it to people who would already know that I was pregnant and that I haven't had the baby yet!
I'm surrounded by boys!
DH 6/29/02 ~ DS1 3/2/06 ~ DS2 10/15/09
I'd be too superstitious to do that.