gay siblings

[fredv3b]

Moving the topic on slightly...

It has been shown that gay men are more likely to have several older brothers than straight men. This has lead to the hypothesis that male homosexuality is due, somehow, to the development of some kind of anti-male antibodies by their mothers during the pregnancies with their older brothers and to which they, in turn, were exposed.

I should mention two points of warning. First this applies to gay men only, no equivolent effect has been found in lesbians. Second, the research was done by finding gay men often at Pride and other such events, so perhaps the research was skewed. I'd reckon that if you were gay and had several older brothers you would be either very closeted or, paradocially, very open and out going and more likely to talk to random strangers doing surveys about your sexuality. To the best of my knowledge no-one has actually gone about finding women with several grown up sons and enquiring as to their sexuality.