Under two percent of infants have atypical sex organs. What are the criteria for determination? Who decides the gender of infants, and what does it look like?
FAQ: How common is ambiguous genitalia?
How many people have ambiguous genitalia?
About 1% of U.S. infants are born with atypical sex organs. That’s over 3.3 million intersex individuals in the United States. Worldwide, the ratio can be as high as 2%.
What are the different names for ambiguous genitalia?
Ovotestis is the current medical name. Hermaphrodite is a misnomer.
What are the physical intersex characteristics?
Externally female with mostly male internal anatomy, girl born with an abnormally large clitoris, boy born with an abnormally small penis, girl born without a vaginal opening, boy born with a divided labia-like scrotum, or a child born having some cells with XX chromosomes and others with XY.
What variation exists in female genitalia measurements?
Clitoral length can vary from 5–35 mm (700%). Labia minora length varies from 20–100 mm. Vaginal length varies from 65–125 mm (2.6–4.9 inches).
What is Swyer syndrome, and how common is it?
The ratio for Swyer syndrome is 1:80000. This is when a female is born with non-functional male organs and lacks ovaries. Without intervention, a woman is infertile
How is the gender of infants classified?
Between normal female and normal male development, five stages on the Prader scale provide guidelines for physicians in determining infant gender.
Who decides a child’s gender?
A physician has historically performed surgical modification on infants with ambiguous genitalia. Some parents opt to have the genitalia remain indeterminate for later evaluation when the child gets older.
Are pictures of ambiguous genitalia available?
Login for comparative images.
References
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- What is intersex? isna.org/faq/what_is_intersex/ (Feb 16, 2020)
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- In the 1930s, intersex athletes worried Olympic officials about the future of women’s sports. timeline.com/intersex-athletes-olympic-test-5613d99f24dc (Feb 16, 2020)
- This Intersex Runner Had Surgery to Compete. It Has Not Gone Well. nytimes.com/2019/12/16/sports/intersex-runner-surgery-track-and-field.html (Feb 16, 2020)
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- More than 7,000 Americans have gender X IDs. Is it a safety risk, too? usatoday.com/story/news/nation/2019/08/08/nonbinary-gender-ids-momentum-intersex-state-driver-licenses/1802059001/ (Feb 16, 2020)
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