Car pollution may damage male fertility. Italian researcher Dr. Michele De Rosa thinks the nitrogen oxide and lead in exhaust fumes may be to blame. Young and middle-aged men are the largest group of commuters and they’re also the group most likely to want to become fathers.
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The reason so many women have trouble getting pregnant may be linked to a newly-discovered vitamin. Japanese scientists have discovered a new vitamin that plays an important role in fertility in mice and may have a similar function in humans.
Takafumi Kato says pyrroloquinoline quinone (PQQ), a substance discovered in 1979, is a vitamin. Mice deprived of PQQ have reduced fertility and roughened fur, and vitamins that have an important effect on mice usually act in the same way in humans. Kato says, “There are many possible factors behind the drop in fertility. We need more research to find out exactly what is happening to these mice and what would be the effect on humans.”
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It had to happen: white parents who underwent in-vitrofertilization have given birth to black twins. The whitemother, who lives in the U.K., wants to keep the babies, buta black couple claims they belong to them.
IVF involves mixing of the father’s sperm with the mother’seggs in the laboratory. The resulting fertilized embryos arethen implanted into the mother. In this case, either thewrong sperm was used to fertilize the eggs or a blackcouple?s fertilized embryos were wrongly implanted into awhite woman.
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