Sperm-block contraceptive hope
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Scientists are working on a contraceptive treatment which would stop men producing sperm.
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Sci-fi versions of baby blocker in a can could turn out to be loads of fun. In Sex Drive Daily.
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Fear of rejection and concerns about the  reaction of the child prevent many parents from telling their  children they have been conceived with donated sperm,  scientists said on Wednesday.
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Scientists in Hong Kong and China  have identified for the first time a protein in sperm from  humans and from mice that could be responsible for many  unexplained cases of male infertility.
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Up until now, the world of male contraception has been limited to condoms and vasectomies. But researchers now point to a new method that shows promise â- shot that
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Sperm are some of the most extraordinary cells of the body, a triumph of efficient packaging, sleek design and superspecialization.
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The options for male contraception have been limited to condoms and vasectomies. But researchers now point to a new method that shows promise, a shot that prompts an immune reaction to a protein produced in the male reproductive system.
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Laptops may be one of the most useful inventions in the world, even more useful than TiVo and Jiffy Pop. However, a quite frightening study was released yesterday that linked laptop usage to infertility in males.
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WASHINGTON - The world of male contraception has been limited to condoms and vasectomies. But researchers now point to a new method that shows promise - a shot that prompts an immune reaction to a protein produced in the male reproductive system.
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Scientists could be on the trail of a reversible male contraceptive that works through the immune system. They report that they injected nine male macaque monkeys with Eppin, a protein from the testes.
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A contraceptive vaccine for men that temporarily blocks male fertility has come a step closer with a study showing that it is possible to inoculate monkeys against their own sperm.
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Wildlife managers are looking to contraception as a way to control nuisance animals.
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A natural family planning method is as effective as the contraceptive pill, German research suggests.
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A procedure that encourages an egg to begin embryo development without being fertilized could suggest a new way to produce stem cells, at least for certain patients.
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One of the largest studies carried out on the oral contraceptive pill has found it might protect women from heart disease and cancers of the ovaries and womb.
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Scientists believe they have discovered how a condition that can threaten pregnancy could occur.
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Being either too thin or too heavy may lower a man&#39;s sperm count, in some cases enough to impair fertility, researchers report.