‘Sex delays menopause’

Women approaching menopause who have frequent sex are less likely to cross that threshold than women of the same age who are not as active sexually, researchers said yesterday.

On average, intimate relations at least once a week reduced the chances of entering menopause by 28 percent compared to women who had sex less than once a month, they reported in the journal Royal Society Open Science.The difference, the study suggests, reflects the body’s response to evolutionary pressures.

“If a woman is having little or infrequent sex when approaching midlife, then the body will not be receiving the physical cues of a possible pregnancy,” Megan Arnot and Ruth Mace, scientists at University College London, wrote.

Rather than continuing to ovulate, according to this theory, “it would be better—from a fitness-maximising perspective—for the woman to cease fertility and invest energy into any existing kin she has.” Post-menopausal killer whales—the only animals besides humans and pilot whales to go through menopause—are known to care for grandchildren, a behaviour sometimes called the “grandmother effect” that is thought to serve an evolutionary purpose. Earlier research seeking to explain why married women reach menopause later than never-married or divorced women points to the influence of male pheromones, natural chemicals in the animal kingdom that attract the opposite sex.

To find out whether either theory held water, Arnot and Mace examined data on nearly 3,000 women in the United States recruited in 1996 and 1997 to take part in a multi-decade health study.

Known as SWAN, the project was designed to collect data and track changes—both biological and psychological—that occur alongside menopause.

 

Sex delays menopause

Women approaching menopause who have frequent sex are less likely to cross that threshold than women of the same age who are not as active sexually, researchers said yesterday. On average, intimate relations at least once a week reduced the chances of entering menopause by 28 percent compared to women who had sex less than once a month, they reported in the journal Royal Society Open Science.The difference, the study suggests, reflects the bodys response to evolutionary pressures. If a woman is having little or infrequent sex when approaching midlife, then the body will not be receiving the physical cues of a possible pregnancy, Megan Arnot and Ruth Mace, scientists at University College London, wrote. Rather than continuing to ovulate, according to this theory, it would be betterfrom a fitness-maximising perspectivefor the woman to cease fertility and invest energy into any existing kin she has. Post-menopausal killer whalesthe only animals besides humans and pilot whales to go through menopauseare known to care for grandchildren, a behaviour sometimes called the grandmother effect that is thought to serve an evolutionary purpose. Earlier research seeking to explain why married women reach menopause later than never-married or divorced women points to the influence of male pheromones, natural chemicals in the animal kingdom that attract the opposite sex. To find out whether either theory held water, Arnot and Mace examined data on nearly 3,000 women in the United States recruited in 1996 and 1997 to take part in a multi-decade health study. Known as SWAN, the project was designed to collect data and track changesboth biological and psychologicalthat occur alongside menopause.