If the cat figures out what the door is for, yes it will go out. I have 4 cats and even the ones that are afraid of being outside will go out an open door just because of curiosity.
If you let a cat outside there is always a possibility it will run away, get lost or be ran over. I used to let...
A mother cat can reject a kitten for many reasons. Is she letting the kitten nurse, or has she completely abandoned it?
If the kitten isn't being feed someone needs to get kitten formula and a kitten bottle to feed it. They also need to have a warm, moist cotton ball to wipe it's bottom after...