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| via arcfertility.com |
"New research suggests that a slightly underactive thyroid may affect a women's ability to become pregnant -- even when the gland is functioning at the low end of the normal range, according to a study published in the Endocrine Society's Journal of Clinical Endocrinology & Metabolism.
The study found women who have unexplained infertility were nearly twice as likely to have higher levels of a hormone that stimulates the thyroid gland than women who did not conceive due to known issues with their male partner's sperm count. Thyroid-stimulating hormone (TSH) is produced by the pituitary gland at the base of the brain and tells the thyroid gland to produce more hormones when needed. Elevated TSH levels can be a sign that the thyroid gland is underactive.
Unexplained infertility occurs when couples are unable to get pregnant despite months of trying and a medical evaluation shows no reason for their infertility. About 10 percent of American women between the ages of 15 and 44 have difficulty becoming or staying pregnant, according to the Office of Women's Health in the U.S. Department of Health and Human Services. Between 10 percent and 30 percent of affected couples have unexplained infertility, according to the JCEM study.
"When couples who are ready to start a family are unable to conceive despite extensive planning, multiple doctor's visits, and expensive treatments, it can be emotionally devastating," said the study's senior author, Pouneh K. Fazeli, M.D., M.P.H., of Massachusetts General Hospital and Harvard Medical School in Boston, Mass. "Since our study shows that women with unexplained infertility have higher TSH levels compared to women experiencing infertility due to a known cause, more research is needed to determine whether treating these higher TSH levels with thyroid hormone can improve their chances of getting pregnant..."
Learn more:
The study found women who have unexplained infertility were nearly twice as likely to have higher levels of a hormone that stimulates the thyroid gland than women who did not conceive due to known issues with their male partner's sperm count. Thyroid-stimulating hormone (TSH) is produced by the pituitary gland at the base of the brain and tells the thyroid gland to produce more hormones when needed. Elevated TSH levels can be a sign that the thyroid gland is underactive.
Unexplained infertility occurs when couples are unable to get pregnant despite months of trying and a medical evaluation shows no reason for their infertility. About 10 percent of American women between the ages of 15 and 44 have difficulty becoming or staying pregnant, according to the Office of Women's Health in the U.S. Department of Health and Human Services. Between 10 percent and 30 percent of affected couples have unexplained infertility, according to the JCEM study.
"When couples who are ready to start a family are unable to conceive despite extensive planning, multiple doctor's visits, and expensive treatments, it can be emotionally devastating," said the study's senior author, Pouneh K. Fazeli, M.D., M.P.H., of Massachusetts General Hospital and Harvard Medical School in Boston, Mass. "Since our study shows that women with unexplained infertility have higher TSH levels compared to women experiencing infertility due to a known cause, more research is needed to determine whether treating these higher TSH levels with thyroid hormone can improve their chances of getting pregnant..."
Learn more:
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