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Human spermatozoa do not undergo the acrosome reaction during storage in the cervix
P Bielfeld1, R S Jeyendran, L J Zaneveld
1Department of Obstetrics and Gynecology, Rush University Rush-Presbyterian-St. Luke's Medical Center, Chicago, Illinois.
Abstract:
Incubation of human spermatozoa in capacitation media for 24 hours resulted in a significant increase in acrosome-reacted spermatozoa compared with preincubation (baseline) levels. By contrast, sperm samples recovered from the cervix for as long as 72 hours after coitus showed only baseline percentages of acrosome-reacted spermatozoa. These results indicate that human spermatozoa do not undergo the acrosome reaction during cervical storage even if they undergo capacitation.