This article by Indian Home Maker is probably the best article I’ve read in a long time. When I decided to write about sex education in India, I couldn’t think of anything beyond what IHM has already mentioned.
I strongly believe, especially in case of teenagers, that moralizing can really turn them off. IHM suggests to give them simple answers, moralizing is the worse sin- when it comes to answering a child’s curious questions. It is very important that a child gets the right information at the right time, with the right message. As long as parents shy away from this subject, children will try and learn from other dubious sources. It is primarily the parents responsibility to explain their kids the difference between good touch and bad touch, and answer their questions- no matter how shocking they are!