Andrology: Semen parameters as predictors of in-vitro fertilization: the importance of strict criteria sperm morphology

This study evaluated 120 couples undergoing in-vitro fertilization treatment to determine which semen parameter(s) predicted fertilization and whether there was any consistent relationship between strict criteria and standard assessment of sperm morphology. Strict criteria morphology was the only significant predictor of fertilization (P = 0.0006, r2 = 0.09), with a sensitivity of 94% and a specificity of 40%. A 12% cut-off point presented a …