Age at First Delivery and Osteoporosis Risk in Korean Postmenopausal Women: The 2008–2011 Korea National Health and Nutrition Examination Survey (KNHANES)

• Bo Hyon Yun,

  Affiliations Department of Obstetrics and Gynecology, Yonsei University College of Medicine, Seoul, Republic of Korea, Institute of Women’s Life Medical Science, Yonsei University College of Medicine, Seoul, Republic of Korea

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• Yun Rak Choi,

  Affiliation Department of Orthopaedic Surgery, Yonsei University College of Medicine, Seoul, Republic of Korea

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• Young Sik Choi,

  Affiliations Department of Obstetrics and Gynecology, Yonsei University College of Medicine, Seoul, Republic of Korea, Institute of Women’s Life Medical Science, Yonsei University College of Medicine, Seoul, Republic of Korea

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• SiHyun Cho,

  Affiliation Department of Obstetrics and Gynecology, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul, Republic of Korea

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• Byung Seok Lee,

  Affiliations Department of Obstetrics and Gynecology, Yonsei University College of Medicine, Seoul, Republic of Korea, Institute of Women’s Life Medical Science, Yonsei University College of Medicine, Seoul, Republic of Korea

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• Seok Kyo Seo

  * E-mail: tudeolseo@yuhs.ac

  Affiliations Department of Obstetrics and Gynecology, Yonsei University College of Medicine, Seoul, Republic of Korea, Institute of Women’s Life Medical Science, Yonsei University College of Medicine, Seoul, Republic of Korea

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