Fertility affects mate preferences

Women's behavioural engagement with a masculine male heightens during the fertile window: Evidence for the cycle shift hypothesis

Evolution and Human Behaviour Study suggests fertile women prefer masculine men, shown in a quiz-show experiment where host masculinity varied. Fertile women showed increased romantic attraction and faster responses to masculine hosts, supporting Gangestad and Thornhill’s hypothesis.

July 2012 · Heather D. Flowe, Elizabeth Swords, James C. Rockey