My son and daughter are still very young (almost 7 and 4)but they know the basics. They know what a penis is and what a vagina is. They know what sperm and eggs are. They know that a fetus resides in a woman's uterus until it is born. They know all this because they asked when I was pregnant with my third child. (He passed away due to prematurity). I do not lie to my kids and say the stork brings mommies and daddies babies. I tell them as much as they wish to know, and on a level they can understand. They both know that sex CAN make babies. Some people will say I am oversexualizing my children, but I was taught exactly as they were. And I held off until I was 17 (still young, but its better than some, plus the man I lost my virginity to has been my only partner and now my husband.) My children will always have their questions answered. I feel the best way to teach children about sex is to tell them about EVERYTHING, birth control, STD's, pregnancy. EVERYTHING. You cannot stop your child from having sex, but you CAN educate them so they make better decisions. I will always stress the importance of weighing potential consequences over actions. My children will be taught that it is best to save it for a meaningful person and that once you lose it, its gone forever, but to always protect themselves and be good judges of character. My doors will always be open to my children and anything they wish to speak to me about, they can. Children (and teens)these days are so afraid to talk to their parents these days. Part of it is due to the stigma of pressuring them one way or the other. They have their peers pressuring them to do one thing, their parents threatening them NOT to do it or else. Yes, by all means, try to discourage any activity that may be detrimental to your child, but DON'T yell in their faces, or threaten them with a swift kick out the door. TEACH THEM. Tell them the pros and cons. Don't tell them not to engage in a certian activity, they will do it if they want anyway. Tell them what engaging in a certain activity can do to them, their family, their social status, the law. Explain to them that while you can never make a decision for them, you are here to guide them to make the RIGHT decisions. That is why I disagree with abstinence only education. Kids will do what they want and unless you lock them in their rooms, they can always find a way around your rules. By teaching about STD's, birth control, pregnancy, abstaining (the importance of it), financial and social responsibilities, and how sex can make you look to other people, you can help guide them to make the right decisions. Just because a parent teaches about birth control DOES NOT mean they are okay with their kid having sex. I always say that I would rather my child NOT have sex, but if it happens, at least they will know about SAFE sex and they will know the consequences of it (including potential health risks as well as how it can impact how their peers might see them)and hopefully I have taught them well enough that if they choose to have sex, they will be protected.