Infertility affects one in seven men of reproductive age worldwide. One idea for treating male sterility is spermatogonial stem cell (SSC) therapy. In this approach, sperm stem cells in the testis are transferred to a test tube, cultured and nudged into becoming fully fledged sperm. However, a key bottleneck has been identifying just the right… Read More »
LONDON — Men in Britain should be allowed to donate sperm after they die to meet growing demand from couples seeking fertility treatment, medical experts say. Posthumous sperm donation is technically feasible and morally acceptable, the specialists said in a review published in the Journal of Medical Ethics on Tuesday. They argue it should be… Read More »
Well that’s new. A new study has found that healthy men who eat two tablespoons of concentrated tomato puree a day have better quality sperm. According to researchers, lycopene – a nutrient found in tomatoes – might just boost sperm quality. The study, conducted by the University of Sheffield in the UK, found that taking… Read More »
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Growing up in Nacogdoches, Tex., Eve Wiley learned at age 16 that she had been conceived through artificial insemination with donor sperm. Her mother, Margo Williams, now 65, had sought help from Dr. Kim McMorries, telling him that her husband was infertile. She asked the doctor to locate a sperm donor. He told Mrs. Williams… Read More »
Sperm are male reproductive cells present in the ejaculate. A doctor can tell someone their sperm count using a test called semen analysis. The average sperm count is between 40 million and 300 million sperm per milliliter. This number can vary between testing centers, with the above range coming from Resolve, a nonprofit fertility association.… Read More »
When Dr. Jorge Chavarro’s team started investigating marijuana’s effects on sperm, they had every reason to believe weed would prove detrimental to “testicular function,” because other studies had said it to be so. Instead, they found the opposite. Men who had ever smoked marijuana had significantly higher sperm concentrations and sperm counts, as well as… Read More »