[nmftt]

I don't think the reason teenagers don't use contraception is because they want to get pregnant, but because they don't clearly see the implications. I know abortions are emotionally hard and if you don't see yourself having a future to protect it's harder to make that decision. Still as far as I know abortions are very accepted in Europe and it probably more likely that you have an abortion if your parents know you're pregnant. Especially if you have successful parents that can see the implications of having a child at an early age, which many underprivileged teenagers don't have.

[rdtsc]

> because they don't clearly see the implications.

I think you hit the nail on the head.

A lot of policy makers who make rules and laws about how to fix poverty always assume they deal with rational, clearly thinking, autonomous agents. They assume there is some logical planning taking place in teenagers' heads before they get pregnant: "...Having sex will lead to pregnancy which will lead to having a baby, who, even though I can't support, the state will take care of it, my boyfriends will be forced to pay child support therefore it makes perfect sense to have a baby." Something like that.

A 16 year old guy will think he can support all the babies in the world when having sex. The girl might think it will make the boyfriend love her more, they'll get married, find jobs, move out and have a happy your family and live happily every after. That is a very different thought process than what policy makers usually assume goes on.

Teenagers who are privileged end up making a lot of stupid decisions as well, but their parents, hover over them, guide them, fix their mistakes for them and wait for the kids to mature and start thinking rationally and maturely.

Many poor teenagers never have that. They don't get a second choice, a do over for small mistakes. Many are from a single parent family, or their parents are working 12 hour days to make ends meet, perhaps one or more parents are drunk or on drugs and there is just nobody to guide, to teach and to iron out the consequences of small and large mistakes. Consequently the teenagers grow up but mentally never mature. Then they become the next generation of parents. Then the cycle repeats.

Overall I think all the teenagers would end up procreating as soon as they can if they just grew up in the wild without any parental guidance. The ones that lead privileged lives have parents who teach, guide and iron out mistakes ("read : trip to the abortion clinic"), and this leads to a delay in procreation until some arbitrarily chosen "life event" usually : marriage + first job + new house.

I think taking this problem and turning it into some kind of evolutionary / genetic issue is pointless if not plain dangerous.