Wednesday, 5 August 2015

Infertility causes in France - ivf infertility

In France, the quality of sperm donors down in some regions like Paris. And also decreases partners in couples using medically assisted procreation for the period 1989-1994, particularly among men born after 1950. However, it should be cautious about interpreting these data, according to Dr. Joëlle Belaïsch-Allart, head of fertility service hospital of the Four Cities (Sèvres, 92): "Sperm quality standards have changed since 2010, she said. 
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Given the significant increase in the number of semen analyzes considered abnormal, the World Health Organization has set new standards from samples of fertile men. Today a semen analysis with 15% of typical sperm is normal while a few years ago, it was 60%! ".

Nevertheless, behavioral and environmental factors are increasingly suspected to affect fertility. "In women, older age, being overweight or smoking during pregnancy are not well documented risk factors," slice-Joëlle Bellaïsch Allart. And suspicions weigh on certain heavy metals such as lead, persistent organic pollutants, endocrine disruptors like bisphenol during intrauterine life or after birth, perfluorinated compounds or air pollution (diesel smoke, etc.) .
A public health and social problem

As such, establish a monitoring fertility of couples over time could provide a sentinel function, witness of the health impact of environmental changes or behaviors. For the authors of the study, it would be relevant to public health as an indicator of health but also to predict the evolution of demand in terms of assisted reproduction. "

Epidemiological Observatory fertility example shows that nearly 10% of women consulting for infertility after a year of unsuccessful attempts. "This could be the starting point of such monitoring," said Rémy Slama. According to him, a fertility monitoring system could be based on population studies such as these, in addition to the monitoring of biological female and male reproduction (hormone levels, sperm quality, etc.) in order to take account all of the reproductive age population, not just couples wanting a child.

Now it is up to governments to decide whether the fact that nearly a quarter of couples had no children after one year is a health and social problem and if this monitoring is needed.

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