title: Primary amenorrhea in a teenager.
authors.affiliation: Divisions of Gynecology and Reproductive Endocrinology, University of Michigan, Ann Arbor, USA.
authors.forename: Elisabeth H
authors.initials: EH
authors.lastname: Quint
authors.forename: Yolanda R
authors.initials: YR
authors.lastname: Smith
mesh_terms: D000293:Adolescent; D000568:Amenorrhea / Q000209:etiology*; D005260:Female; D006801:Humans; D006924:Hymen / Q000002:abnormalities*