Primary Amenorrhea
Absence of Menstruation, Primary
📋Overview
Primary amenorrhea is the absence of menstruation by age 15 in girls with normal secondary sexual characteristics or by age 13 in those without secondary sexual development. It is a clinical sign rather than a disease itself and can result from various anatomical, genetic, hormonal, or systemic causes. The term remains current and is distinct from secondary amenorrhea, which refers to cessation of menstruation after it has begun.
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