Ejaculated Mouse Sperm Enter Cumulus-Oocyte Complexes More Efficiently In Vitro than Epididymal Sperm

• Honggang Li ,

  Contributed equally to this work with: Honggang Li, Pei-hsuan Hung

  Affiliations Family Planning Research Institute, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China, Wuhan Tongji Reproductive Medicine Hospital, Wuhan, China

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• Pei-hsuan Hung ,

  Contributed equally to this work with: Honggang Li, Pei-hsuan Hung

  Current address: California National Primate Research Center, University of California Davis, Davis, California, United States of America

  Affiliation Department of Biomedical Sciences, College of Veterinary Medicine, Cornell University, Ithaca, New York, United States of America

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• Susan S. Suarez

  * E-mail: sss7@cornell.edu

  Affiliation Department of Biomedical Sciences, College of Veterinary Medicine, Cornell University, Ithaca, New York, United States of America

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