George M Grunert MD, Reproductive Endocrinologist, HFS IVF Program Director

Blog

  • Sperm counts drop out near laptops using WiFi

    Ejaculated sperm has been shown to be significantly damaged by prolonged exposure to a WiFi connected laptop. A study, published in the journal Fertility and Sterility, found that after four hours of exposure there was a significant decrease in sperm motility and an increase in sperm DNA fragmentation.

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  • New embryo test to improve IVF success rate

    Researchers at Oxford University have developed a test that may help to improve IVF success rates by checking the health of embryos.

    The team, led by Dr Dagan Wells, has apparently developed a test which checks embryos during IVF for abnormal numbers of chromosomes. They tested a few cells taken from early human embryos, each of which should contain 23 pairs of chromosomes. With more or less than this, embryos can fail to develop normally.

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  • High levels of BPA cause sperm problems, study finds

    For the first time, a study in humans suggests that a controversial, estrogen-like chemical in plastic may be related to conditions that reduce men's fertility.

    Men with higher levels of BPA, or bisphenol A, were two to four times more likely than others to have problems with sperm quality and quantity, the study shows.

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  • Inactive lifestyle linked to erectile dysfunction

    Being healthy and young might not be the only incentives for a great sex life, as a new study suggests that leading a sedentary lifestyle can heighten the risk of erection problems in otherwise healthy men.

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  • Advances in Fertility

    For men and women who yearn for children and try unsuccessfully to conceive, sometimes for years, fertility problems can be devastating. In recent decades many technologies have been developed, such as in vitro fertilization, that help people conceive a child much more successfully.

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  • IVF: Are 3 Embryos Too Many to Transfer?

    Transferring more than two embryos during an IVF cycle is a dangerous practice that does not improve a woman's chances of delivering a baby, a European study finds.

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  • Endometriosis Awareness: Five Things You Should Know

    March is National Endometriosis Awareness Month, so it's time to increase your knowledge about a disease that can cause debilitating pain and is estimated to affect 6.3 million women in the United States.

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  • Study urges just 1 or 2 embryos during in-vitro transfers

    Women undergoing in-vitro fertilization should have only one or two embryos transferred during the process, depending on their age, says a study published Wednesday in the British medical journal The Lancet. Transferring three or more embryos during any IVF cycle should be avoided when possible, researchers say.

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  • Women cannot rewind the 'biological clock'

    Many women do not fully appreciate the consequences of delaying motherhood, and expect that assisted reproductive technologies can reverse their aged ovarian function, Yale researchers reported in a study published in a recent issue of Fertility and Sterility.

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  • Fatty diets could affect sperm quality

    Men who consume a diet rich in saturated fat - the type found in junk food - have lower sperm counts than men whose diets contain low levels of such fats, report scientists.

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