Retrospective comparison of intracytoplasmic sperm injection outcomes of sperm retrieved from a testicular biopsy and freshly ejaculated semen in oligozoospermia.

Objective: The aim of this study was to compare fertilisation, pregnancy rates and perinatal outcomes in patients undergoing intracytoplasmic sperm injection (ICSI) due to oligozoospermia.

Methods: A total of 166 patients with oligozoospermia who underwent an ICSI procedure were included in the study. The subjects were divided into two groups according to the sperm retrieval technique used: group 1, ejaculated semen (n=111); group 2, surgical sperm retrieval (n=55).

Results: Although the clinical pregnancy rate was lower in group 2, the difference was not statistically significant (36.4% vs. 42.3%, p=0.460). The difference between fertilisation and take-home baby rates of the groups were not significantly different, either (p=0.486, p=0.419, consecutively).

Conclusion: Two different sperm retrieval techniques used for ICSI had no statistically significant difference on intracytoplasmic sperm injection outcomes in oligozoospermic patients.