SOURCES:
Denise de Reyna, mother of Emily, who showed first signs of precocious puberty at age 4.5.
Herman-Giddens, M. Pediatrics, April 1997; vol 99: pp 505-512.
National Research Center for Women & Families: “Girls to Women.”
Graber, J. Developmental Psychobiology, March 2010; vol 52: pp 254-262.
Herman-Giddens, M. Pediatrics, April 2004; vol 113: pp 911-917.
Charles Wibbelsman,MD, chief of adolescent medicine, Kaiser Permanente.
Steinberg, L. Journal of Research on Adolescence, 2001; vol 11: pp 1-19.
The Magic Foundation: “Precocious Puberty.”
U.S. Department of Health and Human Services: “Parents Speak Up!”
KidsHealth from Nemours: “Precocious Puberty.”
University of Iowa: “Precocious Puberty in Boys.”