Infertility risk linked to air pollution
Appeared in BioNews 1084
High pollution levels can increase the risk of infertility by up to 20 percent, a study in China has found.
The researchers wrote that their findings point to pollution as an unignorable risk factor for infertility . It is believed to be the first study that examines the link between air pollution and infertility in the general population, rather than solely in fertility patients. Numerous studies have noted that air pollution is associated with lots of adverse pregnancy events, lead author Dr Qin Li, from the Centre for Reproductive Medicine at Peking University Third Hospital in Beijing, China, told the Guardian. Our study samples were recruited from the general population, so our findings may be more generalisable, he added.
collaboration.
Exposure to air pollution significantly increases the risk of infertility, according to the first study to examine the danger to the general population.
The analysis of 18,000 couples in China found that those living with moderately higher levels of small-particle pollution had a 20 per cent greater risk of infertility, defined as not becoming pregnant within a year of trying.
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The study design did not enable the scientists to determine how air pollution might damage fertility, but pollution particles are known to cause inflammation in the body, which could damage egg and sperm production, the scientists said. Another recent study of 600 women attending a U.S. infertility clinic found that increased exposure to air pollution was associated with a lower number of maturing eggs in the ovaries.
Air pollution significantly raises risk of infertility, study finds Damian Carrington Environment editor Wilton site in Teesside
Exposure to air pollution significantly increases the risk of infertility, according to the first study to examine the danger to the general population.
The analysis of 18,000 couples in China found that those living with moderately higher levels of small-particle pollution had a 20% greater risk of infertility, defined as not becoming pregnant within a year of trying.
The study design did not enable the scientists to determine how air pollution might damage fertility, but pollution particles are known to cause inflammation in the body, which could damage egg and sperm production, the scientists said. Another recent study of 600 women attending a US infertility clinic found that increased exposure to air pollution was associated with a lower number of maturing eggs in the ovaries.
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