Incidence and risk factors for postpartum hemorrhage among transvaginal deliveries at a tertiary perinatal medical facility in Japan

• Tatsuya Fukami ,

  Roles Data curation, Formal analysis, Funding acquisition, Investigation, Project administration, Validation, Writing – original draft

  * E-mail: fukami@med.nagoya-u.ac.jp

  Affiliation Department of Obstetrics and Gynecology, ASO Iizuka Hospital, Iizuka, Fukuoka, Japan

  http://orcid.org/0000-0002-3261-5136

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• Hidenobu Koga,

  Roles Formal analysis, Methodology

  Affiliations Department of Health Information Management, ASO Iizuka Hospital, Iizuka, Fukuoka, Japan, Supporting Unit of Medical Research, ASO Iizuka Hospital, Iizuka, Fukuoka, Japan

  ⨯
• Maki Goto,

  Roles Conceptualization, Data curation, Validation

  Affiliation Department of Obstetrics and Gynecology, ASO Iizuka Hospital, Iizuka, Fukuoka, Japan

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• Miho Ando,

  Roles Data curation

  Affiliation Department of Obstetrics and Gynecology, ASO Iizuka Hospital, Iizuka, Fukuoka, Japan

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• Sakiko Matsuoka,

  Roles Data curation

  Affiliation Department of Obstetrics and Gynecology, ASO Iizuka Hospital, Iizuka, Fukuoka, Japan

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• Atsushi Tohyama,

  Roles Data curation

  Affiliation Department of Obstetrics and Gynecology, ASO Iizuka Hospital, Iizuka, Fukuoka, Japan

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• Hiroko Yamamoto,

  Roles Data curation

  Affiliation Department of Obstetrics and Gynecology, ASO Iizuka Hospital, Iizuka, Fukuoka, Japan

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• Sumie Nakamura,

  Roles Data curation

  Affiliation Department of Obstetrics and Gynecology, ASO Iizuka Hospital, Iizuka, Fukuoka, Japan

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• Takahiro Koyanagi,

  Roles Data curation

  Affiliation Department of Obstetrics and Gynecology, ASO Iizuka Hospital, Iizuka, Fukuoka, Japan

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• Yoko To,

  Roles Data curation

  Affiliation Department of Obstetrics and Gynecology, ASO Iizuka Hospital, Iizuka, Fukuoka, Japan

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• Haruhiko Kondo,

  Roles Data curation

  Affiliation Department of Obstetrics and Gynecology, ASO Iizuka Hospital, Iizuka, Fukuoka, Japan

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• Fuyuki Eguchi,

  Roles Data curation, Investigation, Project administration, Supervision, Validation

  Affiliation Department of Obstetrics and Gynecology, ASO Iizuka Hospital, Iizuka, Fukuoka, Japan

  ⨯
• Hiroshi Tsujioka

  Roles Data curation, Investigation, Project administration, Supervision, Validation

  Affiliation Department of Obstetrics and Gynecology, ASO Iizuka Hospital, Iizuka, Fukuoka, Japan

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