So some teens today are engaging in anal sex, because they inaccurately perceive that it's a lower risk activity with regards to pregnancy. Actually that is accurate, because you can't get pregnant through anal sex. That's not going to happen. However, in terms of risk in contracting infections it's one of the highest risk activities you can engage in. In fact if not the highest risk activity that a teenager could engage in is anal sex. And the biggest risk is contracting HIV. Because there is more trauma involved with the anal sex and so makes it easier for HIV to cross over the mucosal barrier because there could be anywhere between micro - tears to actual abrasions and lacerations of the anal mucosal which makes it very easy for HIV to enter into the blood stream and thereby infect the young person. That young person could also contract Herpes and HPV, Human PapillomaVirus, as well as Gonorrhea through anal sex. And so many parents may think Well, if my son is not engaging in sexual activity with another male I don't have to worry about talking about anal sex. And that's not true because many young girls, younger teens, we are talking about 13 year olds, 12 year olds, 14 year olds are actually engaging in anal sex because either they believe or their partner points out to them that they can't get pregnant and it will preserve their virginity because the hymen remains intact through anal sex. That therefore let's go and engage in anal sex. Yet given the risk of contracting infections I think it's actually the highest risk for even a young girl could participate in.