The team said their work also debunked the hypothesis that being exposed to a male partner's pheromones may affect the timing of the menopause.
In fact, they said"there is no conclusive evidence either that humans produce pheromones, or that they are capable of detecting them."
In contrast to previous studies, the team didn't find that being married was linked with the onset of the menopause, likely because of the methods used to collect such information in the past. The timing of a woman's menopause largely comes down to genetics, the authors explained. But half of the variance is tied to other influences, including lifestyle factors such as smoking and how many eggs she is born with.
Past research suggests married women become menopausal later than unmarried or divorced women, leading the researchers to ask what part their sexual habits had to play. The team hypothesized that the body calculates the chances of becoming pregnant. From an evolutionary standpoint, it would be wasteful to spend energy on ovulating if the woman is not sexually active.
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