You might not be able to distinguish those early dilating contractions. Mine felt just like minor cramps or stomach discomfort. But when the big ones kick in, the ones that mean baby time is imminent, you'll know.

If you feel like you need to take a poop amid frequent contractions, it may just be the baby!! It's really hard to put into words, but trust me, you'll know (unless of course you're amongst the very, very rare women who the baby just slides out of on the toilet or after a few cramps..lol).