Young Japanese College Students with Dysmenorrhea Have High Frequency of Irregular Menstruation and Premenstrual Symptoms

Tomoko Fujiwara*, 1, Rieko Nakata2
1 Faculty of Home Economics, Ashiya College, Ashiya
2 Department of Food Science and Nutrition, Nara Women’s University, Nara, Japan

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© Fujiwara and Nakata; Licensee Bentham Open.

open-access license: This is an open access article licensed under the terms of the Creative Commons Attribution Non-Commercial License ( which permits unrestricted, non-commercial use, distribution and reproduction in any medium, provided the work is properly cited.

* Address correspondence to this author at the Faculty of Home Economics, Ashiya College, 14-10 Rokurokuso-cho, Ashiya, Japan 659-8511; Tel: 81-797-23-0663; Fax: 81-797-38-6705; E-mail:


In this study, to estimate the current status of young women with menstrual disorders, the relation among dysmenorrhea, irregular menstruation and premenstrual symptoms was investigated by a questionnaire. Subjects ranging from 18 to 20 years old were recruited from 522 female students at Ashiya College in Japan. The intensity of dysmenorrhea was classified into 3 grades (score 1, not requiring analgesic; score 2, painful, requiring analgesic; score 3, painful, not relieved by analgesic). All participants were further divided into subsequent groups as having premenstrual symptoms or not and those having regular or irregular menstruation. Dysmenorrhea scores in the students with premenstrual symptoms or irregular menstruation were significantly higher than those without these symptoms (1.66±0.66 vs 1.41±0.59; 1.62±0.68 vs 1.49±0.61, respectively). There was no significant relation in the incidence between premenstrual symptoms and irregular menstruation. These findings suggest that considerable numbers of young women with dysmenorrhea are associated with premenstrual symptoms.

Keywords: Dysmenorrhea, irregular menses, premenstrual symptom, young women.