At 01:17 PM 2/15/2006, Kenneth Gorelick wrote: >Humans historically began to bear young at age 15-16. With menopause >30 years away, many of the children would be having children while >their mothers remained fertile. I may have mentioned it before, but I am aware of a case, near where I live, of a 37 year old great-grandmother. That's correct--three successive generations of 12 year old children were impregnated and gave birth at 13. -- Regards, Pete pgranzeau at cox.net