More than 90% of cases of congenital adrenal hyperplasia (CAH, the inherited inability to
synthesize cortisol) are caused by 21-hydroxylase deficiency. Females with severe, classic …

During the intrauterine period a testosterone surge masculinizes the fetal brain, whereas the
absence of such a surge results in a feminine brain. As sexual differentiation of the brain …

This award-winning classic examines the construction of sexual identity in biology, society,
and history. Why do some people prefer heterosexual love while others fancy the same sex …

Being born a girl or a boy has implications that carry considerably beyond chromosomal,
hormonal, and genital differences. In this chapter, we consider the developmental processes …

From the moment intersexuality-the condition of having physical gender markers (genitals,
gonads, or chromosomes) that are neither clearly female nor male-is suspected and …

It's obvious why only men develop prostate cancer and why only women get ovarian cancer.
But it is not obvious why women are more likely to recover language ability after a stroke …

Female and male brains differ. Differences begin early during development due to a
combination of genetic and hormonal events and continue throughout the lifespan of an …

This text offers a unique developmental focus on gender. Gender development is examined
from infancy through adolescence, integrating biological, socialization, and cognitive …

A key question concerns the extent to which sexual differentiation of human behavior is
influenced by sex hormones present during sensitive periods of development …

We recruited twins systematically from the Australian Twin Registry and assessed their
sexual orientation and 2 related traits: childhood gender nonconformity and continuous …