Ok, let's say you have a 16 year old kid. You can tell him:
A. Don't have sex.
B. There are consequences to making adult decisions like having sex and these are the methods you take to protect yourself.
Which is more effective?
Also, the fetus grows in a woman's body. It can not live for a certain amount of time outside of it. Until it has a brain, heart, stomach, etc... in what way exactly is it a human?