What’s often missed is the sensible middle ground.  Kids do need to learn about reproductive cycles, including ovulation and menstruation.  They need to know how females become pregnant and learn about the risks of STD’s, the responsibilities of raising a child, etc.  They need to learn about consent and the level of responsibility required to manage sexual behaviour, which is why many social teachings, religious and otherwise, promote abstinence for young people and people who aren’t in committ