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Updated: Feb 9, 2026

Phosphopeptide Analysis of Rodent Epididymal Spermatozoa
Published on: December 30, 2014
The clinical and neonatal outcomes after stimulation of immotile spermatozoa using SperMagic medium
Yi-Fan Gu1,2, Qin-Wei Zhou1, Shuo-Ping Zhang1,2
1Institute of Reproductive and Stem Cell Engineering, School of Basic Medical Science, Central South University, Changsha, China.
Abstract:
To evaluate the efficiency and safety of SperMagic medium on stimulating the immotile spermatozoa in testicular sperm extraction (TESE) and absolute asthenozoospermia, 96 patients with TESE and 106 patients with absolute asthenozoospermia were enrolled in this study. The motile spermatozoa were detected in 47 TESE patients and 68 absolute asthenozoospermia and these patients were assigned to control group. The immotile spermatozoa in 49 TESE patients and 34 absolute asthenozoospermia were stimulated with SperMagic medium. Patients were treated by standard intracytoplasmic sperm injection (ICSI). There were no significant differences in fertilisation, cleavage, implantation, pregnancy, live birth and neonatal outcomes. SperMagic medium does not increase incidence of adverse neonatal outcomes and is a reliable tool for selection of viable spermatozoa in ICSI.
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