Kazuo Maeda*
Aim: The perinatal data of Japan listed in official materials were analyzed with statistical studies.
Results: One hundred and 13 years have passed after the first report of maternal mortality in Japan. The maternal mortality reduction rate was 1/2.5 in the first 50 years in home deliveries, while the reduction rate was 1/46 in succeeding 63 years in the deliveries in hospitals and clinics. Perinatal mortality reduction was closely correlated with maternal mortality and the reduction rate was 1/16.2 after 1950. Comment: The progress of medicine, medical and neonatal care would be directly effective to definitely improve maternal and perinatal mortalities in Japan. Conclusion: The progress of perinatal medicine in 113 years was analyzed after the first report of maternal mortality in 1899. The progress of medicine, medical and neonatal care would be beneficially influenced to improve the maternal and infantile states.
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