K.P.
Agree with some of the others, it's not a one-time thing. I've watched a lot of birth videos and other pregnancy and birth-related things, and my boys have seen some of them, so unless they've forgotten, they know that mommies have a place where babies come out, and my older son (7 y/o) has said something that makes me think that he thinks they're created somehow by the daddy kissing the mommy (which is funny to me, because I remember thinking the same thing, when I was about his age). I haven't told him what *really* happens yet, but he knows that it takes a daddy and a mommy to make a baby, and that the baby grows in the mommy's tummy until it's ready to be born, and then she pushes it out. We'll deal with the "how the baby gets inside the mommy" question later, when he asks more directly. :-)