Abstract

Results: Patients were divided four group according to source of sperm and sperm parameters. Testicular spermatozoa obtained from men with azoospermia (group 1, n=43), severe oligoasthenoteratozoospermia (sOAT), (group 2, n=93), oligoasthenoteratozoospermia (OAT) (group 3, n=209) and normal semen analysis (group 4, n=539). The most reduced fertilization rate was observed with testicular spermatozoa and the fertilization rate increased as semen quality increased from Group 2 to 4. Our results indicated that semen quality can affect the fertilization process. We observed that the cleavage and high-quality embryo rates were highest in group I (88.4% and 93%, respectively) compared to other groups. Clinical outcomes of ICSI did not show statistically significant differences in the rates of clinical pregnancy, miscarriage and live birth rate. Conclusion: Neither sperm parameters nor the source of spermatozoa affects live birth rate in normoresponder women when motile/morphologically normal spermatozoa is present.

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