Subscribe to Table of Contents Alerts. Five out of 32 studies confirmed that the usage of different antioxidants had important influence on DNA fragmentation and chromatin integrity [ 2042 — 46 ]. L-carnitine in combination with CoQ10, vitamins E and C, zinc, selenium [ 2040 ], CoQ10 alone [ 2324 ], pentoxifylline [ 25 ], N-acetyl-cysteine with Se [ 27 ], vitamin C alone [ 28 ], combination of papaya, beta-glucan, lactoferrin, vitamins C and E [ 36 ], Se, and vitamin E [ 38 ], and pycnogenol [ 41 ] significantly improved sperm morphology. Sperm donations made to a known recipient are called directed donations. Retrograde ejaculation occurs when semen enters the bladder during orgasm instead of emerging out of the tip of the penis.
De Berardinis, and V.
BioMed Research International
View at Google Scholar R. They can be blocked due to various causes, including inadvertent injury from surgery, prior infections, trauma or abnormal development, such as with cystic fibrosis or similar inherited conditions. You might choose to make a sperm donation to help those who are unable to conceive — such as a woman who doesn't have a male partner or a couple experiencing male infertility. The levels of sperm-derived ROS measured in sperm preparations having minimal leukocyte contamination have been associated with sperm DNA damage [ 53 ]. Using dietary supplements wisely.