Another way to control male fertility

Tank up on fruits and vegetables. A study conducted by the Harvard University found that eating yellow and orange coloured fruits and vegetables had a profound effect on the health of the sperm. Yellow and orange colour in fruits and vegetables is because of " carotenoids" including beta carotene which is converted to Vitamin A in the body. It is one of the most potent antioxidants. Sweet potato and melon were found to improve both the quantity and quality of sperms while red vegetables particuarly tomatoes, which contains lycopene, improved the quantity of abnormally shaped sperms by 8-10%. The hero here was the carrot which increased the motility of the sperm, improving its chance to reach the egg.