From: Paternal effect on genomic activation, clinical pregnancy and live birth rate after ICSI with cryopreserved epididymal versus testicular spermatozoa
Epididymal
Testicular OA
Testicular
NOA
Number of embryos
349
224
48
Embryos undergoing compaction
74%
69%
79%
Embryos undergoing blastulation
38%
42%