What are some examples of Intersex conditions? 

  • Congenital adrenal hyperplasia, in which overproduction of hormones in the adrenal gland causes masculinization of the genitals in female infants;
  • 5-alpha-reductase deficiency, in which low levels of an enzyme, 5-alpha-reductase, cause incomplete masculinization of the genitals in male infants
  • Partial androgen insensitivity, in which cells do not respond normally to testosterone and related hormones, causing incomplete masculinization of the genitals in male infants
  • Penile agenesis, in which male infants are born without a penis
  • Complete androgen insensitivity, in which cells do not respond at all to testosterone and related hormones, causing female-appearing genitals in infants with male chromosomes
  • Klinefelter syndrome, in which male infants are born with an extra X (female) chromosome, which typically causes incomplete masculinization and other anomalies
  • Turner syndrome, in which female infants are born with one, rather than two, X (female) chromosomes, causing developmental anomalies
  • Vaginal agenesis, in which female infants are born without a vagina
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