Endometrial congestion is the only hysteroscopic finding indicative of chronic endometritis

• Mayuko Furui,

  Roles Data curation, Formal analysis, Writing – original draft

  Affiliations Faculty of Medicine, Department of Obstetrics and Gynecology, Toho University, Omori-nishi, Ota-ku, Tokyo, Japan, Department of Obstetrics and Gynecology, Toho University Omori Medical Center, Omori-nishi, Ota-ku, Tokyo, Japan, Reproduction Center, Toho University Omori Medical Center, Omori-nishi, Ota-ku, Tokyo, Japan

  ⨯
• Ayumu Ito ,

  Roles Conceptualization, Data curation, Formal analysis, Methodology, Project administration, Writing – review & editing

  * E-mail: ayumu.itou@med.toho-u.ac.jp

  Affiliations Faculty of Medicine, Department of Obstetrics and Gynecology, Toho University, Omori-nishi, Ota-ku, Tokyo, Japan, Department of Obstetrics and Gynecology, Toho University Omori Medical Center, Omori-nishi, Ota-ku, Tokyo, Japan, Reproduction Center, Toho University Omori Medical Center, Omori-nishi, Ota-ku, Tokyo, Japan

  https://orcid.org/0000-0002-9102-2322

  ⨯
• Yusuke Fukuda,

  Roles Writing – review & editing

  Affiliations Faculty of Medicine, Department of Obstetrics and Gynecology, Toho University, Omori-nishi, Ota-ku, Tokyo, Japan, Department of Obstetrics and Gynecology, Toho University Omori Medical Center, Omori-nishi, Ota-ku, Tokyo, Japan, Reproduction Center, Toho University Omori Medical Center, Omori-nishi, Ota-ku, Tokyo, Japan

  ⨯
• Mami Sekiguchi,

  Roles Writing – original draft

  Affiliations Faculty of Medicine, Department of Obstetrics and Gynecology, Toho University, Omori-nishi, Ota-ku, Tokyo, Japan, Department of Obstetrics and Gynecology, Toho University Omori Medical Center, Omori-nishi, Ota-ku, Tokyo, Japan, Reproduction Center, Toho University Omori Medical Center, Omori-nishi, Ota-ku, Tokyo, Japan

  ⨯
• Kentaro Nakaoka,

  Roles Writing – review & editing

  Affiliations Faculty of Medicine, Department of Obstetrics and Gynecology, Toho University, Omori-nishi, Ota-ku, Tokyo, Japan, Department of Obstetrics and Gynecology, Toho University Omori Medical Center, Omori-nishi, Ota-ku, Tokyo, Japan, Reproduction Center, Toho University Omori Medical Center, Omori-nishi, Ota-ku, Tokyo, Japan

  ⨯
• Yuko Hayashi,

  Roles Writing – review & editing

  Affiliations Faculty of Medicine, Department of Obstetrics and Gynecology, Toho University, Omori-nishi, Ota-ku, Tokyo, Japan, Department of Obstetrics and Gynecology, Toho University Omori Medical Center, Omori-nishi, Ota-ku, Tokyo, Japan, Reproduction Center, Toho University Omori Medical Center, Omori-nishi, Ota-ku, Tokyo, Japan

  ⨯
• Yuko Tamaki,

  Roles Writing – review & editing

  Affiliations Faculty of Medicine, Department of Obstetrics and Gynecology, Toho University, Omori-nishi, Ota-ku, Tokyo, Japan, Department of Obstetrics and Gynecology, Toho University Omori Medical Center, Omori-nishi, Ota-ku, Tokyo, Japan, Reproduction Center, Toho University Omori Medical Center, Omori-nishi, Ota-ku, Tokyo, Japan

  ⨯
• Yukiko Katagiri,

  Roles Supervision, Writing – review & editing

  Affiliations Faculty of Medicine, Department of Obstetrics and Gynecology, Toho University, Omori-nishi, Ota-ku, Tokyo, Japan, Department of Obstetrics and Gynecology, Toho University Omori Medical Center, Omori-nishi, Ota-ku, Tokyo, Japan, Reproduction Center, Toho University Omori Medical Center, Omori-nishi, Ota-ku, Tokyo, Japan

  ⨯
• Koichi Nagao,

  Roles Supervision, Writing – review & editing

  Affiliations Reproduction Center, Toho University Omori Medical Center, Omori-nishi, Ota-ku, Tokyo, Japan, Department of Urology, Toho University Omori Medical Center, Omori-nishi, Ota-ku, Tokyo, Japan

  ⨯
• Masahiko Nakata

  Roles Supervision

  Affiliations Faculty of Medicine, Department of Obstetrics and Gynecology, Toho University, Omori-nishi, Ota-ku, Tokyo, Japan, Department of Obstetrics and Gynecology, Toho University Omori Medical Center, Omori-nishi, Ota-ku, Tokyo, Japan

  ⨯