[I don't know if it's that unusual for girls to become mothers so young in most 'underdeveloped' countries. you would think the life expectancy is shorter because of enviroment, nutrition health care etc, so younger is perfered ( or just a bunch of dirty old men..).. and when menstruation begins 10 or 11 yrs old... the body's ready..[/quote]
They are able to become pregnant, but I must humbly disagree that their bodies are "ready". Their bones and muscles are not ready to carry, much less deliver a baby. But I imagine that's what you meant by "ready",...that their bodies are able to become pregnant?...