There are a variety of menstrual disorders that may present anytime from menarche to young adulthood. These can often be distressing or interfere with an adolescent’s daily life, including both hobbies (such as sports and other activities) and obligations (such as school and work). Learning about some of the most common presentations can help school-based health clinicians when faced with students that may present with these concerns. The following cases will address some frequently seen menstrual concerns in adolescent girls.