[Incidence of painful menstruation in Macedonia].

A total of 6930 pupils born between 1955 and 1966 were inquired by a questionnaire. It has been found that painful menstruation was present in 2786 pupils (40.20%) Along with a high percentage of painful menstruations, a high percentage of menstrual disturbances was recorded in younger pupils. Certain differences were found among the nationalities and also in relation to pupils from towns and villages.