Reviewed by Kathy Empen on March 08, 2011
Lisa Flowers, MD, Emory University. WebMD Medical Reference from Healthwise: "Normal Menstrual Cycle -Overview." WebMD Medical Reference from Healthwise: "Menarche and the Teenage Menstrual Cycle." The National Women's Health Information Center. Procter & Gamble: "Myths About Puberty." She Knows: "Menstruation Mix-ups."
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