Posted by: Frances Fei, MD on Nov 11, 2025


Missing periods in teens can be caused by many factors, from hormonal imbalances to anatomical differences. Learn how doctors diagnose amenorrhea, what signs to watch for, and how treatment helps most teens return to healthy, normal cycles.

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Pediatric News You Can Use From America’s Largest Pediatric Hospital and Research Center

700 Children’s® features the most current pediatric health care information and research from our pediatric experts – physicians and specialists who have seen it all. Many of them are parents and bring a special understanding to what our patients and families experience. If you have a child – or care for a child – 700 Children’s was created especially for you.