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Originally Posted by Undertoad
Recent research suggests that younger brothers of brothers are more likely to be gay. The first male pregnancy sets up something in the womb, they say, which the second brother gets a dose of during development.
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I remember reading something similar to that in a human development book. At a certain point in gestation the fetus aquires its sexual orientation and at another point it aquires its gender expression. Depending on the levels of certain hormones at those times the fetus will be either male attracted or female attracted and then at a later development stage express as femine or masculine.
presumably how you can have effeminate straight men, very macho/butch gay men, lipstick lesbians and diesel dykes, straight tomboys, etc.
According to the book it all has to do with what is happening hormonally during gestation. Sorry, I don't remember the title I have a bad habit of picking up things and reading them from the middle out.
Could be a bunch of shit too, I doubt I made it as far as the footnotes.