It's different for men. The answer is probably notbut there is a remote possibility depending on the specific situation. A large study in Scotland found that the average sperm count has fallen over recent years, which is contributing to the problem. In fact, men who are hoping to become fathers should ditch their pants altogether at night and sleep naked for the best chance of getting their partner pregnant. You may also be interested in On the other hand, men who eat lots of red and processed meat had significantly lower counts of normal-shaped sperm.
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Allen Pacey, a leading fertility expert and Professor of Andrology at the University of Sheffield, remarks that it has been known for quite some time that men with increased temperature in their testicles, whether through heat in the workplace or tight underwear, have poorer sperm quality than those who have kept their testicles cool. Tuesday 06 November Men produce sperm all day, every day - throughout their lives. It's the price of monogamy, Dr. Sperm cells swim about 0. The common answer is no; however, women around the world have become pregnant from precum, and thus we cannot rule out the possibility.