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Index/People/Anne Fausto-Sterling

Anne Fausto-Sterling

American sexologist

Fact-Checks

4 results
Jan 15, 2026
Most Viewed

What is the current best estimate of intersex prevalence and how do definitions affect that figure?

The best current range for intersex prevalence in the literature spans from about 0.018% (roughly 1 in 5,500 births) up to 1.7% of the population, with even higher self‑report figures recorded in some...

Jan 17, 2026
Most Viewed

What specific medical conditions are included in the 1.7% intersex estimate and how common is each?

The oft‑quoted 1.7% upper‑bound estimate of people “born with intersex traits” is not a single diagnostic category but a compilation that counts many different sex‑development variations — and most of...

Jan 15, 2026

Which specific intersex/DSD conditions drive the majority of higher prevalence estimates (e.g., LOCAH, Klinefelter) and how are they diagnosed?

Higher intersex/DSD prevalence estimates (range cited in literature from ~0.018% up to 1.7% or higher) are driven primarily by inclusion of relatively common, often clinically mild conditions such as ...

Jan 1, 2026

How do different medical definitions of intersex (DSD vs intersex) change prevalence estimates?

Different medical and social definitions of “intersex” versus “differences/disorders of sex development (DSD)” produce wildly different prevalence estimates because they select different sets of condi...

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