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Google Scholar , Crossref. Keywords penis morphology , semen displacement , sperm competition , sperm retention , premature ejaculation , double mating , circumcision , penile hypersensitivity , refractory period , fertilization by proxy , last male precedence , infertility , self-semen displacement , semen coagulation , wife rape. Examples include, group sex, gang rape, extra pair copulations, promiscuity, prostitution, and resident male insistence on sex in response to suspected infidelity see subsequent section on female reproductive strategy. Wet pussy cumshot tits. In the case of humans, the last male to copulate would be in a position to displace the semen left by previous males before inseminating the female with his own semen.
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Semen Displacement as a Sperm Competition Strategy in Humans

Ordinal ejaculation effects Section:. Journal of Comparative Psychology, 98, — It doesn't matter if she admits it or not! Huge sperm 4 Fine Youngster getting ramped in m Prevalence, prophylactic effects, and sexual practice. Adaptations to self-semen displacement Section:. Tiny 18 year old Teen Khadisha Latina gets her mouth full of sperm.
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Description:Join the RedTube Community. On the other hand, these potential costs have to be weighed against the existence of several compensatory benefits that might accrue to sexual encounters of longer duration. Resemblance affects males more than females. Perhaps due to reduced penile sensitivity, circumcised men thrust deeper and withdraw farther and thereby displace more vaginal fluids. The males of some species possess penile barbs, hooks, combs, or a textured glans to remove copulatory plugs and semen from the female reproductive tract for a review see Baker and Bellis,

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