Are girls starting puberty earlier?
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In the 1980s, Dr Marcia Herman-Giddens was one of the first people to notice that girls were starting puberty earlier than expected. We talk to Dr Marcia Herman-Giddens and Dr Louise Greenspan about what we know now about whether the age of girls\\u2019 puberty is falling.
(Mother and daughter in the supermarket choosing sanitary items. Getty Images)
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