That's pretty much the level of detail I gave when DD was five -- the man puts his penis in the woman's vagina, and the sperm come out and go into the uterus and up the fallopian tubes, and if they find an egg and everything works right the egg and sperm can start growing into a baby. We got "It's So Amazing"Â from the library, and it has great cartoon diagrams of the reproductive system, of an egg getting fertilized, and of different stage of embryonic development. We also covered periods, plus some basic stuff like when she pees, the pee is not coming out of her vagina but out of a separate hole, and masturbation -- feels good, most people do it, can't hurt you, don't do it in the living room please because it's a private thing ...
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By eight, she knew that sex felt good, that the penis had to get hard for this to happen and that couples usually like to kiss and hug and touch each other beforehand and during, and that people have sex for lots of reasons (not just to make babies). She knew that having sex could make a woman pregnant even if she didn't want it to, and that there are ways prevent that (I don't think we've talked about specific methods, though). She also knew that someone could want to have sex with you but not really care about you or be concerned about what's best for you. She knew all about menstruation and that it would happen to her and about tampons and pads, and what puberty is. We also talked about how no one has a right to see or touch the private parts of your body if you don't want them to, and all that good stuff.
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