According to USA Today on Monday, exposure to the chemical bisphenol A (BPA) during early pregnancy may increase the risk of miscarriage, preliminary research suggests.
Researchers collected blood from 114 women when they were four to five weeks pregnant. The researchers later measured blood levels of BPA in women who gave birth, and in those who had a first-trimester miscarriage. Women were divided into four groups based on the amount of BPA in their blood.
Tests show BPA in nearly everyone's urine, though the chemical has been removed from baby bottles and many reusable drink containers in recent years. The federal Food and Drug Administration says BPA is safe as used now in other food containers.
Most miscarriages are due to egg or chromosome problems, and a study in mice suggested BPA might influence that risk, said Dr. Ruth Lathi, a Stanford University reproductive endocrinologist.
With a federal grant, she and other researchers studied 115 newly pregnant women with a history of infertility or miscarriage; 68 wound up having miscarriages and 47 had live births.
Although the study found an association between high BPA levels and miscarriage, it cannot prove that exposure to high levels of BPA causes miscarriage. Other factors may be at play: For instance, women in the study with high BPA levels may have had other factors in common that increase miscarriage risk.
Still, the study adds to a growing body of research linking BPA to reproductive and other health problems.
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Emily Sutherlin is also the Pregnancy Examiner.
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