check this out:
http://www.girlsinc.org/ic/content/lesbianbisexualgirls.pdf
and this:
http://www.girlsinc.org/ic/content/GirlsandSexualHealth.pdf
The part about infant sexuality is disgusting.
The side bar about "sexual learning and sexual expression in the womb" is a bit over the top, but the content of the main text is just the facts -- and conveniently leaves out more titillating info like the fact that ultrasound technology has enabled viewing of male fetuses having erections.
Read the link. PUKE!
Socially, the major development [in Girls age 8 - 12] is in forming friendships. While heterosexual contact may be more common than it had been up to this point, activities such as exploring a friend's body may be more common than before. These healthy responses to sexual curiosity and affection for best friends do not tell us anything about what the adult sexual orientation of the young woman will be.