NEW YORK, Mar 9: Autumn is the time of year most associated with bumper crops of new babies, and that may be because human sperm are generally at their healthiest in winter and early spring, according to a new study from Israel. Based on samples from more than 6,000 men treated for infertility, researchers found sperm in greater numbers, with faster swimming speeds and fewer abnormalities in semen made during the winter, with a steady decline in quality from spring onward. (agencies)
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