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Experts Say Future Generations Will Experience Increased Infertility

February 16, 2008 By MedNews Leave a Comment

Commenting on infertility, experts from the Aarhus University Hospital, Denmark and the University of California observe that infertility is a common problem in affluent societies, and it affects some 15% of couples who are trying to conceive.

Assisted reproductive methods are used in some countries to conceive up to 6% of children. But fertility is determined by social, behavioral and biological factors, say the authors, which could make studies based on retrospectively collected data unreliable. These cultural and social norms may mask more subtle biological changes in the population, and representative health surveys should include fecundity.

Fecundity is expected to decline over time, the study’s authors predict, because with the availability of assisted conception subfertile couples may have as many children as fertile couples. Genetic factors linked to infertility will become more prevalent in the future. Meanwhile, dealing with the causes of subfecundity, say the authors, is the best way to fight infertility, and neglected research should be undertaken without delay.

Filed Under: General Health, Sexual Health Tagged With: infertility

Infertility and Testicular Cancer Linked, Says Study

November 6, 2007 By MedNews Leave a Comment

University of California, San Francisco researchers have found that men with a history of infertility have a markedly increased risk of subsequently developing testicular cancer. The purpose of the study was to assess testicular cancer in infertile men usingna cohort study methodology.

More than 51,000 couples, drawn from 15 California infertility centers during the period 1965 and 1995, were evaluated for infertility. Male subjects’ medical records were linked to the California Cancer Registry, the cumulative Surveillance Epidemiology and End Results Registry (SEER) for the State of California. Cancers preceding infertility were excluded from analysis, and the incidence of testicular cancer in this cohort was compared to age-matched men from the general population.

The study found that men from infertile couples were 60% more likely to develop testicular cancer than other men (standardized incidence ratio 1.695% confidence interval 1.2 to 2.2). This risk was relatively constant across all age strata.

Source: UroToday

Filed Under: Cancer, Sexual Health Tagged With: cancer, infertility, testicular cancer

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