Menstrual dysfunction in Norwegian top athletes.
Oian P, Augestad L B, Molne K, +2 more·Acta obstetricia et gynecologica Scandinavica
Of 301 Norwegian female top athletes, all members of the national team in 27 different sports, who were approached with a questionnaire about menstrual function, 278 (92.4%) responded. Ninety-nine of the respondents who used oral contraceptives were excluded. Of the remaining 179, 18 (10.1%) reported secondary amenorrh…