Improving native human sperm freezing protection by using a modified vitrification method.

In conclusion, while both slow freezing and vitrification have negative effects on sperm function and structure, the vitrification protocol described here had a relatively better recovery rate (65.8%) and showed improved preservation of several sperm quality parameters compared with slow freezing.
PMID: 32567578 [PubMed - as supplied by publisher]

Source: Asian Journal of Andrology - June 15, 2020 Category: Urology & Nephrology Authors: Zhou D, Wang XM, Li RX, Wang YZ, Chao YC, Liu ZZ, Huang ZH, Nie HC, Zhu WB, Tan YQ, Fan LQ Tags: Asian J Androl Source Type: research