Trends in global and national infertility and factors associated with primary infertile couples in recent middle-aged Chinese

• Huancheng Tang ,

  Contributed equally to this work with: Huancheng Tang, Jun Yang, Zeshen Wu, Biao Jiang

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

  Affiliation Department of Urology, Wuhan Third Hospital, Tongren Hospital of Wuhan University, Wuhan, Hubei, China

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• Jun Yang ,

  Contributed equally to this work with: Huancheng Tang, Jun Yang, Zeshen Wu, Biao Jiang

  Roles Conceptualization, Data curation, Formal analysis, Methodology, Software, Validation, Visualization, Writing – original draft, Writing – review & editing

  Affiliation Department of Urology, Wuhan Third Hospital, Tongren Hospital of Wuhan University, Wuhan, Hubei, China

  ⨯
• Zeshen Wu ,

  Contributed equally to this work with: Huancheng Tang, Jun Yang, Zeshen Wu, Biao Jiang

  Roles Conceptualization, Data curation, Methodology, Software, Visualization, Writing – review & editing

  Affiliation Department of Urology, Shenzhen Nanshan People’s Hospital (NSPH), Shenzhen, Guangdong, China

  https://orcid.org/0000-0002-0644-816X

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• Biao Jiang ,

  Contributed equally to this work with: Huancheng Tang, Jun Yang, Zeshen Wu, Biao Jiang

  Roles Conceptualization, Data curation, Methodology, Software, Writing – review & editing

  Affiliation Department of Urology, the First Affiliated Hospital, Guangzhou Medical University, Guangzhou, Guangdong, China

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• Wei Sun,

  Roles Data curation, Methodology, Software, Visualization, Writing – review & editing

  Affiliation Department of Urology, Wuhan Third Hospital, Tongren Hospital of Wuhan University, Wuhan, Hubei, China

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• Chaoyang Zhang,

  Roles Data curation, Methodology, Visualization, Writing – review & editing

  Affiliation Department of Urology, Wuhan Third Hospital, Tongren Hospital of Wuhan University, Wuhan, Hubei, China

  ⨯
• Zhi Hu,

  Roles Data curation, Methodology, Writing – review & editing

  Affiliation Department of Urology, Wuhan Third Hospital, Tongren Hospital of Wuhan University, Wuhan, Hubei, China

  ⨯
• Qiao Fu ,

  Roles Project administration, Resources, Supervision, Writing – review & editing

  * E-mail: zhangsy17@lzu.edu.cn (SZ), vonbasten@163.com (WZ), frx20110526@163.com (QF)

  Affiliation Department of Urology, Wuhan Third Hospital, Tongren Hospital of Wuhan University, Wuhan, Hubei, China

  ⨯
• Wei Zhang ,

  Roles Project administration, Resources, Supervision, Writing – review & editing

  * E-mail: zhangsy17@lzu.edu.cn (SZ), vonbasten@163.com (WZ), frx20110526@163.com (QF)

  Affiliation Department of Urology, Wuhan Third Hospital, Tongren Hospital of Wuhan University, Wuhan, Hubei, China

  ⨯
• Siyu Zhang

  Roles Conceptualization, Project administration, Resources, Supervision, Writing – review & editing

  * E-mail: zhangsy17@lzu.edu.cn (SZ), vonbasten@163.com (WZ), frx20110526@163.com (QF)

  Affiliation Institute of Burns, Wuhan Third Hospital, Tongren Hospital of Wuhan University, Wuhan, Hubei, China

  https://orcid.org/0009-0008-5096-6088

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