If you're having any pre-term labor concerns, pack it early. I started making a list of all of the things I wanted right away so I had all of my decisions made (clothing, etc), then threw it in a bag around eight months...though I started carrying some laboring gear around six months, since I'd been having early contractions.
If there are things you still need on a daily basis that you don't want to keep in a bag, make a list of those things and leave it on top of you bag. Then, when you're frantically trying to leave for the hospital, you won't have to try to remember everything and forget stuff you want. Good luck!
at 3:03 PM on Nov. 19, 2008