Increased maternal hCG concentrations in early in vitro pregnancy with elevated basal FSH

• Xiao Han ,

  Contributed equally to this work with: Xiao Han, Baoli Yin

  Roles Writing – original draft

  Affiliations Reproductive Medical Center, People’s Hospital of Zhengzhou University, Zhengzhou, Henan Province, People’s Republic of China, Academy of Medical Science, Zhengzhou University, Zhengzhou, Henan Province, People’s Republic of China

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• Baoli Yin ,

  Contributed equally to this work with: Xiao Han, Baoli Yin

  Roles Writing – review & editing

  Affiliation Reproductive Medical Center, People’s Hospital of Zhengzhou University, Zhengzhou, Henan Province, People’s Republic of China

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• Shengli Lin,

  Roles Project administration

  Affiliation Reproductive Medical Center, Department of Obstetrics and Gynecology, Peking University Third Hospital, Beijing, People’s Republic of China

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• Qian Wang,

  Roles Methodology

  Affiliation Reproductive Medical Center, People’s Hospital of Zhengzhou University, Zhengzhou, Henan Province, People’s Republic of China

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• Ni Su,

  Roles Investigation

  Affiliation Reproductive Medical Center, People’s Hospital of Zhengzhou University, Zhengzhou, Henan Province, People’s Republic of China

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• Cuilian Zhang

  Roles Funding acquisition, Project administration

  * E-mail: luckyzcl@qq.com

  Affiliation Reproductive Medical Center, People’s Hospital of Zhengzhou University, Zhengzhou, Henan Province, People’s Republic of China

  http://orcid.org/0000-0002-5210-5272

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