Polygamous Heterosexuality & Reproductive Fertility

[Stefanie Greve]

Kaliki wrote:
> 
> Hi,
> 
> During a lecture in Psychology 18: Human Development, the following
> statements we're made by several classmates but could not be verified,
> 
> Concerning polygamous heterosexuality & pregnancy:
> 
> * A woman's regular partner's sperm will be dominant and agressively
> "attack" a foreign or new partner's sperm if both are present in the woman's
> sexual organs at the same time. ( Territorial Phagocytosis of some sort ?)
> 
> * A woman who has sperm in her from 2 different partners, will fertilize
> with the partner who has given her the most pleasure and/or the partner whom
> she has the strongest attraction for. ( Does orgasm have any physiological
> effects on fertility?)
> 
> Can you verify these or similiar points and possibly site case studies or
> research?
> 
> Thank you.
> 
> No this is not a request for help with homework. It's just a very
> provocative & interesting subject that i'd like 2 hear more about.
Orgasm has indeed a positive effect on fertilisation, because the cervix
tends to open a little more during orgasm.