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An earlier study regulated in UK by Courtney Denning-Johnson Lynch, Director of Reproductive Epidemiology at The Ohio State University Wexner Medical Center, and colleagues signified an association between high stress level and reduced fertility in women.
This new study revealed that those women who secrete high levels of alpha-amylase enzyme, that is a biological indicator that measures stress in saliva that decreases possibility of pregnancy in women by 29 percent each month.
This study tracked in 501 American women aged between 18 to 40 years, who were not affected by fertility problems and recently trying to conceive until the time they get pregnant as part of the Longitudinal Investigation of Fertility and the Environment (LIFE) Study.
Samples of their saliva were collected. Specimens were available for 373 women and measured for the presence of salivary alpha-amylase and cortisol, two biomarkers of stress.
"This is now the second study in which we have demonstrated that women with high levels of the stress biomarker salivary alpha-amylase have a lower probability of becoming pregnant compared to women with low levels of this biomarkers," said by Lynch.
She added, "For the first time, we have shown that this effect is potentially clinically meaningful, as it's associated with a greater than two-fold increased risk of infertility among these women".
Lynch also said that the results of this research should uplift women who are having problems in getting pregnant to consider decreasing their stress using stress reducing techniques like yoga, meditation and mindfulness.
Also she said that infertile couples should not blame each other, as stress may be the reason involved in women’s inability to get pregnant.
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