Girls are starting puberty a year earlier than in the 1970s, study

Researchers found that the age at which girls begin to develop breasts has fallen by about three months per decade since the 1970s.

How puberty starts a year earlier for girls now than in the 1970s

Girls are reaching puberty earlier and earlier. No one is sure why

Puberty Starts Earlier Than It Used To. No One Knows Why. - The New York Times

Now And Then Movie Is A Lot Darker Than You Remember

Girls who do not live with both parents more likely to start puberty early - Kaiser Permanente Division of Research

Stress May Be Causing Early Puberty

Average Age to Get First Period

Puberty Is Starting Earlier—Are Schools Keeping Up?

Susan Perry, Author at MinnPost - Page 7 of 137

Study: More U.S. girls starting puberty early

Why is puberty starting younger?, World news