Skipping breakfast is associated with dysmenorrhea in young women in Japan

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Abstract
To evaluate the effects of breakfast habits on the quality of life in young women in Japan, the relation between breakfast habits and menstrual and intestinal disorders was estimated by responses to a questionnaire. Subjects were recruited from young Japanese female students of Ashiya College ranging in age from 18 to 20 years. Breakfast habits were classified into three groups (group I, having breakfast every morning, n = 289; group II, having breakfast one to six times per week, n = 106; group III, having breakfast less than once a week, n = 44). The intensity of dysmenorrhea was classified into three grades (score 1, free of pain or painful, but without need for analgesic; score 2, painful, requiring analgesic; score 3, painful, not relieved by analgesic). The grades of bowel movement were classified into three groups (score 1, no more than once a week; score 2, two to six times a week; score 3, every day). Group II and group III had significantly higher scores for dysmenorrhea compared with group I. Students in group III showed a tendency toward constipation. Since dysmenorrhea is a risk factor for psychological disorders as well as gynecological diseases, the present study suggests the importance of eating breakfast to the quality of life of young women.