Originally Posted by searock
So what? It means that teenage bodies aren't fully prepared to bear and deliver a child as well as an older, mature body can. So from a biological point of view, it would be counterproductive for a male human to impregnate a teenage girl, since both her health and (most importantly) the health of the child would be way more compromised compared to a regular pregnancy during a woman's 20s or 30s. A woman in her 20s is much better suited to successfully deliver a healthy child than a teenage girl. Biologically, this should make her more attractive than a teenage girl.