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Korean Journal of Obstetrics & Gynecology 1999;42(1):90-97.
Published online January 1, 2001.
Comparison with Ejaculated and Testicular Spermatozoa in Combination with Intracytoplasmic Sperm Injection in Men with Totally Immotile Spermatozoa.
Eun Hee Kang, Hyung Sik Chu, Hee Dong Chae, Chung Hoon Kim, Yoon Seok Chang, Jung Eun Mok, Byung Moon Kang, Tai Young Ahn
Abstract
With the advent of intracytoplasmic sperm injection (ICSI), the fertiliution and pregnancy have been reported even in complete asthenozoospermia. However, the results of ICSI in men with totally immotile sperm was still disappointing. The reasons for the total lack of sperm movement are not yet determined. The immotility of ejaculated spermatozoa is probably caused by sperm degeneration during epididymal transport, therefore higher viable spermatozoa can be obtained by testicular sperm recovery in some cases with low viability and total lack of movement of ejaculated spermatozoa. Recourse to testicular spermatozoa for ICSI is thus an alternative treatment possibility in this kind of pathology. This clinical study was performed to investigate the efficacy of ICSI employing testicular and ejaculated spermatozoa. From December 1995 to March 1998, 35 couples with totally immotile spermatozoa were included in the study. In 14 patients, the ejaculated spermatozoa were used whereas in 21 patients the spermatozoa were recovered from the testis. There were no significant differences in the fertilization and cleavage rates between the testicular sperm group with 62.6%, 52.7% and the ejaculated sperm group with 56.1%, 74.3%. Two pregnancies were achieved, one in the testicular spnm poup and the other in the ejaculated group. A healthy child was delivered at term in the ejaculated sperm group, but a clinical abortion occurred in a pregnancy in the testicular sperm group. In conclusion, it was suggested that ICSI using ejaculated sperm might be a primary treatment in cases with totally immotile spermatozoa and, if failed, testicular sperm could be used as an alternative mode of heatment.
Key Words: Totally immotile sperm, Ejaculated sperm, Testicular sperm, Intracytoplasmic sperm injection (ICSI), Fertilization, Pregnancy rate


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