The effect of vitamin D in vitro supplementation on sperm deoxyribonucleic acid fragmentation.

Objective: This study aimed to identify the direct effect of vitamin D on sperm DNA integrity after swim-up preparation.

Materials And Methods: Normozoospermia samples were gathered from 12 men and assessed for their baseline characteristics, including DNA Fragmentation Index (DFI). Each sample was then prepared using the swim-up method.