Whenever the male begins to produce sperm he can get a girl pregnant.
From a couple of days old
Babies can be born with teeth.
when he hits puberty
Female, Age 9. From China
Brooke Shields in Pretty Baby at age 12.
That would be a baby who lived just a few seconds after birth but there are no names.
no it is not the youngest age . it is the middle stone age
The youngest age ever for someone to have a baby was Lina Medina at 5 years and 229 days. She lived in Lima, Peru. See link for Wikipedia Youngest birth mothers for more examples of young births
If you are fast enough to win selection for the Olympic team, you are old enough.
The youngest member of the Corps of Discovery was Sacajawea's husband, Toussaint Charbonneau, at age 24.
The average age for girls is 10 and boys 12, but the youngest has been 5 for a girl and 8 for a boy. This is extremely rare though.