Pregnancy resulting from intracytoplasmic injection of cryopreserved spermatozoa recovered from testicular biopsy

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Abstract
We report a clinical pregnancy occurring in a 31 year old patient following intracytoplasmic sperm injection (ICSI) of cryopreserved spermatozoa obtained from a testicular biopsy. This was the couple‘s second attempt at an ovarian stimulated cycle resulting in the collection of 17 metaphase II ova which were all injected with progressively motile spermatozoa. A fertilization rate of 58% and a cleavage rate of 90% were achieved. This report is our first case of ICSI using cryopreserved testicular spermatozoa which resulted in normal fertilization, embryo development and an on-going singleton pregnancy.

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