Pisanski K, Hahn AC, Fisher C, DeBruine LM, Feinberg DR & Jones BC (2014). Changes in salivary estradiol predict changes in womenís preferences for vocal masculinity. Hormones and Behavior, 66(3): 493-497. doi: 10.1016/j.yhbeh.2014.07.006

Although many studies have reported that womenís preferences for masculine physical characteristics in men change systematically during the menstrual cycle, the hormonal mechanisms underpinning these changes are currently poorly understood. Previous studies investigating the relationships between measured hormone levels and womenís masculinity preferences tested only judgments of menís facial attractiveness. Results of these studies suggested that preferences for masculine characteristics in menís faces were related to either womenís estradiol or testosterone levels. To investigate the hormonal correlates of within-woman variation in masculinity preferences further, here we measured 62 womenís salivary estradiol, progesterone, and testosterone levels and their preferences for masculine characteristics in menís voices in five weekly test sessions. Multilevel modeling of these data showed that changes in salivary estradiol were the best predictor of changes in womenís preferences for vocal masculinity. These results complement other recent research implicating estradiol in womenís mate preferences, attention to courtship signals, sexual motivation, and sexual strategies, and are the first to link womenís voice preferences directly to measured hormone levels.

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