A new study links stress to fertility issues.
Researchers from Ohio State University followed about 400 couples for up to a year as the couples tried to conceive. They found that women who had the highest level of a certain stress bio-marker also had a "29-percent decreased probability of pregnancy over time."
By the end of the study those same women also had a two-fold increased risk of infertility. Keep in mind the study shows associations-- not causes.
Researchers did not investigate why stress might lead to infertility.
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