Health Library
The Health Library is a collection of health and wellness resources created for learning and accessibility. Select a topic below for related health information or search for a topic in the search bar for more information on other medical conditions.
Primary Amenorrhea
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The menstrual cycle is the series of changes a woman's body goes through to prepare for a possible pregnancy. Most girls start having periods between the ages of 11 and 15. A girl who has not had her first period by age 15 has what is called primary amenorrhea. This is different from infrequent or light menstrual...