Trends in the estimated proportion of outpatients with menstrual disorders and the number of prescribed low-dose estrogen/progestin drugs in Japan: A descriptive study

• Motoyuki Nakao ,

  Roles Conceptualization, Data curation, Formal analysis, Funding acquisition, Investigation, Methodology, Project administration, Validation, Visualization, Writing – original draft, Writing – review & editing

  * E-mail: nakao_motoyuki@med.kurume-u.ac.jp

  Affiliation Department of Public Health, School of Medicine, Kurume University, Kurume, Fukuoka, Japan

  https://orcid.org/0000-0002-1901-554X

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• Kotaro Kuwaki,

  Roles Investigation, Writing – review & editing

  Affiliation Department of Public Health, School of Medicine, Kurume University, Kurume, Fukuoka, Japan

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• Keiko Yamauchi,

  Roles Writing – review & editing

  Affiliation Department of Public Health, School of Medicine, Kurume University, Kurume, Fukuoka, Japan

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• Kyoko Nomura,

  Roles Funding acquisition, Supervision, Writing – review & editing

  Affiliation Department of Environmental Health Science and Public Health, Akita University Graduate School of Medicine, Akita, Japan

  https://orcid.org/0000-0003-1453-4540

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• Shinichi Tanihara

  Roles Funding acquisition, Supervision, Writing – review & editing

  Affiliation Department of Public Health, School of Medicine, Kurume University, Kurume, Fukuoka, Japan

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