Not a Fact Anymore
DE
← Back to institutional beliefs timeline

Institutional belief · Genetics and medicine

Eugenic sterilization

Disability, mental illness, and social “unfitness” were often treated as sufficiently hereditary that preventing selected people from reproducing would improve the population.

5 episodes

Current understanding

Current understanding

Human traits arise from complex interactions among many genes, development, environment, culture, and social conditions. Many categories targeted by eugenic programs were not simple hereditary traits at all, and coercive sterilization violated bodily autonomy and human rights.

Institutional episode

United States

1907–mid-1970sPolicy basis

Thirty-two states enacted eugenic sterilization laws, beginning with Indiana in 1907. State institutions sterilized tens of thousands of people deemed “unfit,” and the U.S. Supreme Court upheld Virginia's law in Buck v. Bell in 1927.

Institutions

  • Virginia General Assembly
  • Virginia State Colony for Epileptics and Feeble-Minded
  • Supreme Court of the United States

Documented consequences

  • Compulsory sterilization
  • Disability policy
  • Reproductive rights

Institutional machinery

The United States had no single federal sterilization authority: eugenic sterilization was enacted and administered state by state. The named Virginia bodies show the institutional chain that produced the nationally influential Buck v. Bell precedent; comparable statutes and state hospitals or custodial institutions operated across dozens of states.

Sources and what they establish

Institutional episode

Nazi Germany

1933–1945Enforced doctrine

The 1933 Gesetz zur Verhütung erbkranken Nachwuchses made eugenic judgments part of state law. The Reichsministerium des Innern shaped implementation; Gesundheitsämter and Amtsärzte identified and brought cases into the system; Erbgesundheitsgerichte ordered sterilizations; and Erbgesundheitsobergerichte handled appeals. Hundreds of thousands of people were compulsorily sterilized through this administrative, medical, and judicial machinery.

Institutions

  • Reichsministerium des Innern
  • Erbgesundheitsgerichte
  • Erbgesundheitsobergerichte
  • Gesundheitsämter und Amtsärzte

Documented consequences

  • Forced sterilization
  • Racial-hygiene administration
  • Disability persecution

Institutional machinery

The Reichsministerium des Innern issued implementing direction. Gesundheitsämter and Amtsärzte initiated and documented cases; Erbgesundheitsgerichte made sterilization orders; Erbgesundheitsobergerichte heard appeals. Hospitals and physicians then carried out the operations. Together, these formal bodies and clinical actors formed the wider medical and administrative machinery of compulsory sterilization.

Sources and what they establish

Institutional episode

Sweden

1935–1975Policy basis

Swedish sterilization laws operated from 1935 to 1975. A later historical review estimated that roughly 32,000 sterilizations in that period were involuntary, reflecting eugenic and social-policy judgments about who should reproduce.

Institutions

  • Medicinalstyrelsen
  • Socialstyrelsen (from 1968)

Documented consequences

  • Involuntary sterilization
  • Disability policy
  • Social welfare

Institutional machinery

Medicinalstyrelsen—and from 1968 Socialstyrelsen—was the central authority granting sterilization permits and issuing guidance. Applications could be initiated through local actors including institutional directors, physicians, child-welfare or poor-relief bodies; approved procedures were then carried out in hospitals. The later government inquiry identified this distributed professional and welfare machinery as part of how pressure and conditional coercion operated.

Sources and what they establish

Institutional episode

Japan

1948–1996Policy basis

Japan's 1948 Eugenic Protection Act explicitly aimed to prevent births considered eugenically undesirable and authorized compulsory sterilization for specified conditions. The eugenic provisions remained until the law was revised in 1996.

Institutions

  • Ministry of Health and Welfare (厚生省)
  • Prefectural Eugenic Protection Review Boards (都道府県優生保護審査会)
  • Central Eugenic Protection Review Board (中央優生保護審査会)

Documented consequences

  • Compulsory sterilization
  • Disability policy
  • Reproductive rights

Institutional machinery

The Ministry of Health and Welfare issued national implementation circulars to prefectural governors. Prefectural review boards decided compulsory eugenic-surgery cases, while the central review body handled the national supervisory/review role before later administrative reorganizations; designated physicians and medical institutions performed the procedures.

Sources and what they establish

Institutional episode

Czechoslovakia

1972–1989Policy basis

Czechoslovak sterilization rules were formally ethnicity-neutral, but doctors and social workers disproportionately and coercively applied them to Romani women. Dissidents documented administrative programs targeting Roma by the late 1970s, while later scholarship traces the practice to institutional continuities between eugenics, medical genetics, and state social policy.

Institutions

  • Ministry of Health of the Czech Socialist Republic
  • Ministry of Health of the Slovak Socialist Republic
  • Sterilization commissions established under the 1972 directives

Documented consequences

  • Coercive sterilization of Romani women
  • Reproductive discrimination
  • Racialized social policy

Institutional machinery

The Czech and Slovak health ministries issued parallel sterilization directives. In the Czech system, hospital-based sterilization commissions were formally constituted through district Institutes of National Health; medical and social-welfare personnel could shape applications and consent in practice. Later investigations found that formally ethnicity-neutral rules were disproportionately and coercively applied to Romani women.

Sources and what they establish

Last reviewed: 23/08/2026