Never Having Had Menses in Obstetrics & Gynecology — 16yo Child | General Gynecology | SMLE Q#17699
SMLE Question #17699
Obstetrics & Gynecology
General Gynecology
Objective: OBJ-PRIM-AMEN-01
Last updated: May 2026
A 16-year-old girl is brought to clinic for never having had menses. Breast development began at age 12. Pubic and axillary hair are present. She is a competitive long-distance runner and recently increased training intensity. She reports no headaches, visual changes, galactorrhea, cyclic pelvic pain, or abdominal distension. She is otherwise healthy and not sexually active. Examination shows low body fat and normal external genitalia without bulging lesions. What is the most likely cause of her primary amenorrhea?
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