The Impact of Early Testicular Sperm Extraction or Cryopreservation on the Outcome of Intracytoplasmic Sperm Injection—A Randomized Controlled Study

[1] Ben-Yosef D(1999)Testicular sperm retrieval and cropreservation prior to initiating ovarian stimulation as the first line approach in patients with nonobstructive azoospermia Hum Reprod 14 1794-1801

[2] Yogev L(1999)Quality of cryoprserved tresticular sperm in patients with obstructivre and nonobstructive azoospermia J Urol 161 1504-1508

[3] Hauser R(2000)In vitro fertilization outcomes after intracytoplasmic sperm injection with fresh or frozen–thawed testicular spermatozoa Fertil Steril 73 955-960

[4] Yavetz H(1998)Performing testicular or epididymal sperm retrieval prior to the injection of hCG J Assist Reprod Genet 15 125-128

[5] Azem F(1999)Clinical application of intracytoplasmic sperm injection using in vitro cultured testicular spermatozoa obtained the day before egg retrieval Fertil Steril 72 666-669

[6] Yovel I(1999)Advanced surgical sperm recovery is a viable option for intracytoplasmic sperm injection in patients with obstructive or nonobstructive azoospermia Fertil Steril 72 479-483

[7] Lessing JB(1993)Functional differentiation in progesterone secretion by granulosa versus cumulus cells in the human preovulatory follicle and the effect of different induction of ovulation protocols Fertil Steril 60 1025-1030

[8] Amit A(1999)Shortened exposure of oocytes to spermatozoa improves in-vitro fertilization outcome: A prospective, randomized, controlled study Hum Reprod 14 2562-2564

[9] Prins GS(1986)Embryo gradings J In Vitro Fert Embryo Transf 5 284-295

[10] Dolgina R(1996)In vitro maturation of human testicular spermatozoa [Letter] Hum Reprod 11 231-232

[1] Ben-Yosef D(1999)Testicular sperm retrieval and cropreservation prior to initiating ovarian stimulation as the first line approach in patients with nonobstructive azoospermia Hum Reprod 14 1794-1801

[2] Yogev L(1999)Quality of cryoprserved tresticular sperm in patients with obstructivre and nonobstructive azoospermia J Urol 161 1504-1508

[3] Hauser R(2000)In vitro fertilization outcomes after intracytoplasmic sperm injection with fresh or frozen–thawed testicular spermatozoa Fertil Steril 73 955-960

[4] Yavetz H(1998)Performing testicular or epididymal sperm retrieval prior to the injection of hCG J Assist Reprod Genet 15 125-128

[5] Azem F(1999)Clinical application of intracytoplasmic sperm injection using in vitro cultured testicular spermatozoa obtained the day before egg retrieval Fertil Steril 72 666-669

[6] Yovel I(1999)Advanced surgical sperm recovery is a viable option for intracytoplasmic sperm injection in patients with obstructive or nonobstructive azoospermia Fertil Steril 72 479-483

[7] Lessing JB(1993)Functional differentiation in progesterone secretion by granulosa versus cumulus cells in the human preovulatory follicle and the effect of different induction of ovulation protocols Fertil Steril 60 1025-1030

[8] Amit A(1999)Shortened exposure of oocytes to spermatozoa improves in-vitro fertilization outcome: A prospective, randomized, controlled study Hum Reprod 14 2562-2564

[9] Prins GS(1986)Embryo gradings J In Vitro Fert Embryo Transf 5 284-295

[10] Dolgina R(1996)In vitro maturation of human testicular spermatozoa [Letter] Hum Reprod 11 231-232