https://www.selleckchem.com/pr....oducts/bgj398-nvp-bg
To study the potential benefit of testicular sperm compared with ejaculated sperm for men with oligospermia. After exemption from institutional review board approval, we performed a retrospective cohort study using the Mayo Clinic Assisted Reproductive Technology database. Single academic center. Couples with nonazoospermic male factor infertility (total motile sperm 25 million per ejaculate) undergoing intracytoplasmic sperm injection with sperm obtained by testicular sperm extraction (TESE) or ejaculated sperm between 20