Kahraman S, Işik A Z, Vicdan K, Ozgür S, Ozgun O D
Assisted Reproductive Technology Center, Urology Department, Ankara, Turkey.
Hum Reprod. 1997 Feb;12(2):292-3. doi: 10.1093/humrep/12.2.292.
Total asthenozoospermia is a severe problem, as only a micromanipulation technique can assist the couple, and even then fertilization and pregnancy rates are very low. The first healthy birth, achieved by using testicular immotile spermatozoa in a case with total asthenozoospermia before and after Percoll gradient preparation, is reported.