American girls reaching puberty sooner than ever

Filed under: Health & Safety: Babies, Development/Milestones: Babies, Media

From Yahoo!News.com:  Research in recent years indicate that the age most American girls reach puberty is on the decline.  The average age girls have their first menstrual period is 12.5, down from 12.75 in the 1960s.

The reason for the decline in age is unclear; however, researchers believe that exposure to certain chemicals that act as hormone "disruptors" might be to blame.  In addition, they believe that the national increase in obesity might be playing a role, as body fat is instrumental in maintaining a woman's menstrual cycle.

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Start by teaching him that it is safe to do so.