Presenting Twins Are Exposed to Higher Levels of Inflammatory Mediators than Nonpresenting Twins as Early as the Midtrimester of Pregnancy

• Seung Mi Lee,

  Affiliations Department of Obstetrics & Gynecology, Seoul National University College of Medicine, Seoul, Korea, Department of Obstetrics & Gynecology, Seoul Metropolitan Government Seoul National University Boramae Medical Center, Seoul, Korea

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• Joong Shin Park ,

  * E-mail: jsparkmd@snu.ac.kr

  Affiliation Department of Obstetrics & Gynecology, Seoul National University College of Medicine, Seoul, Korea

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• Errol R. Norwitz,

  Affiliation Department of Obstetrics & Gynecology, Tufts University School of Medicine, Boston, Massachusetts, United States of America

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• Sun Min Kim,

  Affiliation Department of Obstetrics & Gynecology, Seoul National University College of Medicine, Seoul, Korea

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• JoonHo Lee,

  Affiliation Department of Obstetrics & Gynecology, Seoul National University College of Medicine, Seoul, Korea

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• Chan-Wook Park,

  Affiliation Department of Obstetrics & Gynecology, Seoul National University College of Medicine, Seoul, Korea

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• Byoung Jae Kim,

  Affiliations Department of Obstetrics & Gynecology, Seoul National University College of Medicine, Seoul, Korea, Department of Obstetrics & Gynecology, Seoul Metropolitan Government Seoul National University Boramae Medical Center, Seoul, Korea

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• Jong Kwan Jun

  Affiliation Department of Obstetrics & Gynecology, Seoul National University College of Medicine, Seoul, Korea

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