(this is the first study to examine the patterns in women's interpersonal qualities across the menstrual cycle and to relate these patterns to men's desired preferences in a mate.)
Past research suggests that women alter their behaviors during periods of high fertility to attract mates.
Consistent with this notion, the current research examined the interpersonal style, as defined by the interpersonal circumplex, men tend to find most attractive in potential mates and the change in women’s interpersonal styles across the menstrual cycle. In Study 1, a sample of 101 single men reported the interpersonal style they found most attractive in a potential mate. In Study 2, a sample of 86 women reported their interpersonal styles during each day of their menstrual cycle. Results indicated that men tended to prefer mates who were interpersonally warm and that women tended to become more interpersonally warm during periods of high fertility."
"... Taken together, these findings are consistent with the notion that women alter their interpersonal styles during periods of high fertility to match the desires of men ... and possibly in order to compete with other women for access to potential mates"
It is consistent with other papers which had shown: Only short-term but not long-term partner preferences tend to vary with the menstrual cycle