Hi, SammyCat, In your post, you mentioned about such a young kitty knowing about sex. That's not what's going on here. You must remember that ALL animals, cats and kittens included, act on their instincts.When a female goes into heat, it's her instinct to search out a male. Age doesn't matter.Even though our pets may at times seem almost human, they're not. They don't think or perceive things as we do. When a kitty runs and hides, the fear instinct is warning of possible danger, when kitty goes to her dish to eat, it's the same idea. If you haven't yet, get her to your vet for a pre-natal exam. Then talk to the vet about her care during her pregnancy, this is crucial for mommy's well being as well as the health of her unborn kittens. Sure, kittens are cute and a whole lot of fun. But they're also a tremendous responsibility. Be absolutely sure that you know what you're getting yourself into by keeping all the babies. Follow your vet's instructions TO THE LETTER and listen to the advice & input from the folks here at PT. These folks are experienced, knowledgeable, and know what they're talking about!