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Summary
Japan's Eugenic Protection Act led to significant demographic shifts, including a halved birth rate and increased abortions, with sterilization rates rising. Legal restrictions and secrecy influenced criminal abortion rates.
Area of Science:
- Demography
- Public Health
- Reproductive Health
Background:
- The Eugenic Protection Act in Japan introduced significant societal changes.
- Post-act demographic trends included population stabilization and altered birth and divorce rates.
Purpose of the Study:
- To analyze the demographic impacts of Japan's Eugenic Protection Act.
- To examine trends in abortion, contraception, and sterilization rates following the Act's enactment.
Main Methods:
- Analysis of demographic data including birth rates, divorce rates, and abortion statistics.
- Examination of factors influencing abortion rates, including legal restrictions and socioeconomic elements.
- Review of contraception and sterilization trends.
Main Results:
- The Act contributed to stemming population growth and halving the birth rate.
- Abortion rates initially increased, peaking in 1955 before declining; highest incidence was in families with four children aged 30-34.
- Legal restrictions, cost, and secrecy were identified as reasons for criminal abortions; contraception was largely ineffective, while sterilization rates were increasing.
Conclusions:
- The Eugenic Protection Act significantly altered Japan's reproductive landscape.
- Legal and social factors played a crucial role in abortion trends and the limited effectiveness of contraception.
- Sterilization emerged as an increasingly utilized method of birth control.