The time during which the sample remains frozen does not affect sperm quality, which means that we can have the sample frozen for as long as we wish. In fact, there are cases of samples who have been frozen for 22 years and have led to pregnancy, without causing any problem in offspring.
How long can frozen sperm be stored?
By Juan Antonio García Velasco M.D., Ph.D. (gynecologist).
Last Update: 01/18/2019
Juan Antonio García Velasco
Graduate in Medicine from the Complutense University of Madrid. Intern specialist at Obstetrics & Gynecology at La Paz Hospital, 1992-1995. Graduate in Medicine and Surgery from the Autonomous University. Subspecialist in Assisted Reproduction from Yale University (USA). Main Lecturer of Gynecology at the Rey Juan Carlos University of Madrid.