Stress may be associated with fertility issues in women – EurekAlert

Posted: May 11, 2022 at 1:45 am

WASHINGTONFemale rats exposed to a scream sound may have diminished ovarian reserve and reduced fertility, according to a small animal study published in the Endocrine Societys journal, Endocrinology.

Ovarian reserve is the reproductive potential left within a woman's two ovaries based on the number and quality of eggs. A woman is born with a finite number of eggs and her body cannot create any more. Diminished ovarian reserve is the loss of normal reproductive potential in the ovaries due to a lower count or quality of the remaining eggs.

We examined the effect of stress on ovarian reserve using a scream sound model in rats, said Wenyan Xi, Ph.D., of the Second Affiliation Hospital of Xian Jiao Tong University in Xian, China. We found that female rats exposed to the scream sound had diminished ovarian reserve and decreased fertility.

The researchers used a scream sound model to investigate the effect of stress on ovarian reserve in female rats. They exposed female rats to a scream sound for 3 weeks and analyzed the effect on their sex hormones, the number and quality of their eggs and their ability to get pregnant and have babies after mating.

They found the scream sound decreased the rats estrogen and Anti-Mullerian hormone levels. Estrogen is a group of hormones that play an important role in growth and reproductive development, and Anti-Mullerian hormone is a hormone made by the ovaries which helps form reproductive organs. The scream sound also lowered the number and quality of the women's eggs and resulted in smaller litters.

Based on these findings, we suggest stress may be associated with diminished ovarian reserve, Xi said. It is important to determine an association between chronic stress and ovarian reserve because doing so may expand our appreciation of the limitations of current clinical interventions and provide valuable insight into the cause of diminished ovarian reserve.

Other authors of this study include: Hui Mao, Haoyan Yao and Ruiting Shi of the Second Affiliation Hospital of Xian Jiao Tong University; and Zhiwei Cui of the First Affiliation Hospital of Xian Jiao Tong University in Xian, China.

The study received funding from the Natural Science Foundation of Shaanxi Provincial Department of Education.

The manuscript, Scream Sound Induced Chronic Psychological Stress Results in Diminished Ovarian Reserve in Adult Female Rat, was published online, ahead of print.

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Endocrinologists are at the core of solving the most pressing health problems of our time, from diabetes and obesity to infertility, bone health, and hormone-related cancers. The Endocrine Society is the worlds oldest and largest organization of scientists devoted to hormone research and physicians who care for people with hormone-related conditions.

The Society has more than 18,000 members, including scientists, physicians, educators, nurses and students in 122 countries. To learn more about the Society and the field of endocrinology, visit our site at http://www.endocrine.org. Follow us on Twitter at @TheEndoSociety and @EndoMedia.

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