Masculine physical traits may signal menís genotypic condition and are associated with indices of menís reproductive fitness. We show that preferences for masculine pitch in menís voices are positively related to self-rated attractiveness among women who are not using hormonal contraceptives. This relationship between masculinity preferences and self-rated attractiveness occurred when women judged the attractiveness of menís voices that were played forward, but was not present when women judged the attractiveness of menís voices played backward. Such variation in womenís preferences for masculinized menís voices may be adaptive if attractive women are better able to attract or retain masculine mates. No significant relationships between preferences for masculinized menís voices and self-rated attractiveness occurred among women using hormonal contraceptives, complementing previous studies in which potentially adaptive variation in masculinity preferences was also absent among women using hormonal contraceptives.
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