[GoneGirl]

Thank you, sfem, for your summary of some of the key points made in the video and your encouraging others to watch it. I have watched it twice and certain sections yet again. Dr. O'Hanlan's description of scientific evidence of the effect of the timing and amounts of testosterone on gender brain organization during the first 12 weeks of gestation is compelling. It provides a powerful argument for refuting the widely held notion that one's sex and gender are determined solely by the presence or absence of the Y chromosome, rather than by what occurs in those first 12 weeks of fetal development following conception.

Origins of Diversity of Sexual Orientation and Gender Identity

Clara