Journal
INTERNATIONAL JOURNAL OF GYNECOLOGY & OBSTETRICS
Volume 159, Issue 1, Pages 111-115Publisher
WILEY
DOI: 10.1002/ijgo.14136
Keywords
coital lubricants; egg white; Optilube (R); Pre-seed (R); sperm motility; sperm-friendly; Yes baby (R)
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This study assessed the effects of different lubricants on sperm motility. The results showed that all lubricants, except for egg white, significantly reduced sperm forward progression. Additionally, there were significant differences in sperm motility between different commercially available lubricants.
Objective: To assess the effects of sperm-friendly coital lubricants on sperm motility. Methods: This study compared the effects of five lubricants (Optilube (R), Pre-Seed (R), Yes Baby (R), olive oil, and egg white) on sperm motility in 60 normozoospermic semen samples obtained from men attending a private fertility clinic. Samples were exposed to each of the lubricants, with untreated samples serving as controls, and were examined microscopically at four defined time-points from 2 to 72 h after liquefaction. Sperm motility was graded according to World Health Organization criteria. Results: With the exception of egg white, all lubricants caused significant (P < 0.001) reductions in sperm forward progression compared with untreated controls until 24 h after liquefaction. Furthermore, between-group comparisons of the commercially available lubricants revealed statistically significant differences in forward progression motility: Pre-Seed (R) was superior to Optilube (R) (P < 0.001), which in turn was superior to Yes Baby (R) (P < 0.001) at 2-4 h after exposure. Significance (P < 0.001) between Pre-Seed (R) and Yes Baby (R) was maintained until 24 h. Conclusion: Although spermatozoa exposed to Pre-Seed (R) demonstrated greater motility than spermatozoa exposed to Yes Baby (R), claims that these lubricants are sperm-friendly were refuted. Conversely, egg white was shown to be a sperm-friendly lubricant for couples who are trying to conceive.
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