Scientists at Kyoto University have discovered that human sperm defy Newton's third law by propelling themselves through ...

New research found that men with higher-quality sperm are likely to live nearly three years more than those with low-quality. The large-scale study, published in the journal Human Reproduction, ...

A child is born when the male reproductive cell called sperm fertilises an egg, the female reproductive cell. It results in the formation of a zygote that attaches to the lining of the uterus and ...

For the best experience, please enable JavaScript in your browser settings. Dr George Ogweno, an IVF specialist in Nairobi says after consultation, tests and ...