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Secular Trends of Multiple Birth Rate in Korea: 1981–2017 |
Sang Hwa Park, Dar Oh Lim |
J Korean Soc Matern Child Health. 2019;23(3):202-208. Published online July 31, 2019 DOI: https://doi.org/10.21896/jksmch.2019.23.3.202 |
Secular Trends of Multiple Birth Rate in Korea: 1981–2017 Secular Trends in Sex Ratio at Birth by Birth Order in South Korea, 1981–2017 Secular Trend of Gestational Age Specific Preterm Birth Rate in Korean Singleton and Multiple Birth: 1997-98, 2013-14 Trends in survival rate for very low birth weight infants and extremely low birth weight infants in Korea, 1967-2007 Analysis of Multiple Birth Rates in Japan. II. Secular Trend and Effect of Birth Order, Maternal Age, and Gestational Age in Stillbirth Rate of Twins Secular trends in nosocomial infections: 1970–1979 Trends in embryo transfer rate, multiple birth rate, and pregnancy rate in response to the american society of reproductive medicine's recommendation to limit embryo transfer Secular trends and geographical variations in sex ratio at birth Secular trends and latitude gradients in sex ratio at birth in Asia during the past 60 years Trends and Changes of Maternal Age at Live Birth and Related Statistics in Korea (1981–2019) |