Why on earth would anyone perform oral sex? Particularly on a woman?!? While these questions seem silly to some of us (I mean, it’s obviously because the people involved find it totally hot, right?), they aren’t to evolutionary biologists. This is because many of our behaviors and choices that seem completely voluntary are actually hard-wired, and have been naturally selected over millennia because they help us have more babies. However, it isn’t necessarily obvious which behaviors have been selected for until one starts testing different hypotheses. Here, scientists are testing the idea that performing oral sex on women is evolutionarily beneficial because it helps the sperm get and remain inside the uterus. They sampled heterosexual men from the United States and Germany, the majority of whom lived with their partners, and asked them details about their sex lives and relationships.
Is cunnilingus-assisted orgasm a male sperm-retention strategy?
“We secured data from 243 men in committed, sexual, heterosexual relationships to test the sperm retention hypothesis of oral sex. We predicte
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Is cunnilingus-assisted orgasm a male sperm-retention strategy?
“We secured data from 243 men in committed, sexual, heterosexual relationships to test the sperm retention hypothesis of oral sex. We predicte
Discover Magazine Blogs