DNA- Deoxyribonucleic acid, BID- bis in die/twice a day, SOD- Superoxide dismutase, CoQ- Coenzyme Q10, AA/DHA ratio- Arachidonic acid: Deoxyribonucleic acid ratio, ROS- Reactive Oxygen Species TID- ter in die/thrice a day, OAT- Oligoasthenoteratozoospermia, LH- Luteinizing hormone, FSH- Follicle stimulating hormone, SDF- Sperm DNA fragmentation, TAC-  total antioxidant capacity. This evidence concerns the gene BRD2 and oligoasthenoteratozoospermia.