Fertilization Capacity of Frozen Semen in Autopreservation

  • Françoise Czyglik
  • Georges David


The retention of fertilizing capacity is a problem basic to semen cryopreservation, regardless of the purpose for which the technique is employed. At present, there are no data which permit one to accurately define the fertilizing capacity of semen after freezing. Emperically, we retain donor semen for use in artificial insemination which has a high sperm count and above all, a high percentage of motile forms after freezing. In effect, donors are selected based upon semen quality in order to increase the probability of obtaining a pregnancy.


Sperm Count Artificial Insemination Semen Quality Motile Spermatozoon Donor Semen 
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Copyright information

© Plenum Press, New York 1980

Authors and Affiliations

  • Françoise Czyglik
    • 1
  • Georges David
    • 1
  1. 1.Centre d’Etude et de Conservation du Sperme(CECOS)Paris-Bicêtre, Kremlin-BicêtreFrance

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