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


  • Hormone study pinpoints why early pregnancies sometimes fail

    New research could help to explain why pregnancy becomes less likely as women age and why IVF so often fails.

    Scientists have shown for the first time that hormones produced inside the womb play a pivotal role in the early stages of pregnancy.

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  • New microscopy may identify best sperm cells

    More than 10% of American women aged 15-44 struggle to conceive or maintain full-term pregnancies, according to the Centers for Disease Control and Prevention (CDC). Assisted reproductive technology (ART), through which eggs are fertilized with sperm in a lab and then returned to a woman's uterus, is often the last resort for reproductively- challenged couples. But the physical, emotional, and financial toll they exact is high because the success rates of ART treatments are low -- only 20-30%, according to the CDC.

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  • Discovery may lead to better egg screening and IVF outcomes

    Experts in in-vitro fertilization (IVF) from UC San Francisco have discovered a pattern of protein secretion during egg maturation that they say has the possibility of leading to a new, non-invasive test to evaluate the fitness of eggs before they are fertilized in the clinic.

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  • Lifestyle factors play role in IVF success

    fertilisation (IVF) should consider quitting smoking, drink alcohol moderately and have a diet rich in fruit and vegetables, according to a recent study.

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  • High alcohol intake associated with slightly decreased female fertility

    Women who drink 14 or more servings of alcohol a week are slightly more likely to have reduced fertility, suggests a new study. In developed countries, up to 24% of couples experience infertility, defined as time to pregnancy of 12 months or more.

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