Can Pentoxifylline-Supplemented Cryoprotectant Improve Human Sperm Motility After Cryopreservation?

Abstract

Sperm cryopreservation or sperm banking is the prolonged maintenance of sperm in the frozen state at extremely low temperature. The technique is proposed to help infertile couples who have male problems, and patients undergoing treatments that may affect their fertility. After the discovery of frozen frog semen in snow by Spallanzani 200 years ago.⁽¹⁾ Sperm cryopreservation technique has been developed continuously from freezing in dry ice to freezing in liquid nitrogen.