Efficacy of intracytoplasmic sperm injection using intentionally cryopreserved epididymal spermatozoa.

@article{Oates1996EfficacyOI,
  title={Efficacy of intracytoplasmic sperm injection using intentionally cryopreserved epididymal spermatozoa.},
  author={Robert D. Oates and Susan M Lobel and Doria H Harris and Samuel C Pang and Colleen M Burgess and Ronald S. Carson},
  journal={Human reproduction},
  year={1996},
  volume={11 1},
  pages={133-8}
}
Microsurgical epididymal sperm aspiration was a great advance in the therapy of patients with non-reconstructable, obstructive azoospermia, most notably congenital bilateral absence of the vas deferens. Using conventional in-vitro fertilization, pregnancies were rarely achieved because the rate of oocyte fertilization was extremely poor. However, the use of retrieved spermatozoa in conjunction with intracytoplasmic sperm injection (ICSI) has dramatically increased the likelihood of embryo… CONTINUE READING