Do you think this has any bearing on the fact that many biblical woman lived hundreds of years? When would they have had all their children?
The long life of biblical women is possibly due to a different measuring method (maybe they were really counting months or other time units), or embellishment of the folklore, or a combination of both. There's also another effect -- people who live longer than average have a greater chance of making sufficient impact to warrant mention in the traditions of a society.
Fundamentalism - the anti-American, anti-Christian branch of American Christianity