![]() ![]() ![]() This research also finds that estrogen tends to heighten women’s preference for the scent of men who possess testosterone markers and whose faces and bodies are symmetrical. In particular, this research finds that estrogen increases women’s preference for men whose faces, voices, and behaviors exhibit cues to the presence of relatively high levels of the male sex hormone, testosterone (we’re talking square jaws, deep voices, and swagger). ![]() Research conducted on heterosexual women finds that, as estrogen increases across the cycle, so too does women’s sexual desire and interest in cues of good genetic quality in men. And there’s a growing body of research in psychology that suggests that this is exactly what goes on. So, estrogen – in addition to all of the things that it does to make conception possible – may also have a hand in partner choice. However, there’s a piece of the puzzle you probably haven’t heard much about that is just as important to the process of reproduction as is the release of an egg: sex. A little follicle stimulation here and a little endometrial lining proliferation there. If you’ve ever had to suffer through an awkward middle school health class, there’s a good chance that you’ve probably heard about all the stuff that estrogen does from the neck down to promote reproduction. ![]()
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