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PURPOSE: To investigate the incidence of intra-twin birth weight discordance and its association with infantile gender and birth order.
METHODS: We used the data of birth from 2008 to 2013 of...
PURPOSE: To figure out the contribution of maternal age distribution to the preterm birth (PTB) rate of multiple births between 1997~98 and 2014~15.
METHODS: Multiple birth certificate data of Korea Statistics...
PURPOSE: To compare the preterm birth (PTB) by length of first birth interval (LFBI) in singleton birth among primiparous women.
METHODS: Data from the 2010-2013 birth certification of Korea Statistics (718,103...
PURPOSE: To compare the relationship between intertwin birth weight discordance and maternal age at birth.
METHODS: There were 51,726 pairs of twins born from 2007 to 2014 according to the birth...
PURPOSE: To determine the secular trend of the multiple birth rate in Korea from 1981 to 2017.
METHODS: This study used birth certificate data covering the years 1981–2017 (20,948,901 births), provided...
PURPOSE: The objective of the study was to compare contribution of maternal age to preterm birth (PTB) rates between 1997~99 and 2012~14.
METHODS: We used 1997~99 (1,872,720 births) and 2012~14 (1,280,348...
PURPOSE: To compare the incidence of twin births with the length of first birth interval (LFBI: from marriage to first birth) among primiparous women.
METHODS: The birth certificated data of Korea...
PURPOSE: To compare the secular trends of gestational length distribution in singleton and twin birth by analyzing the birth certificated data of Statistics Korea.
METHODS: The birth certificated data of Statistics...