Secular Trends of Multiple Birth Rate in Korea: 1981–2017

Park, Sanghwa; Lim, Dar Oh

doi:10.21896/jksmch.2019.23.3.202

Cited by 5 publications

(2 citation statements)

References 11 publications

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“…Cervical pessary use or cervical cerclage prevents repeated preterm births in high-risk women with a short cervix 18 . Despite medical advances, the rate of preterm births increased from 2.9% (1997–1999) to 4.5% (2011–2013) 19 and from 3.31% (1997–1998) to 6.44% (2013–2014) 20 in Korea. The increase in twin births is thought to have contributed to the rise in preterm births.…”

Section: Discussionmentioning

confidence: 99%

Declining incidence of cerebral palsy in South Korea

Kim

Lee

et al. 2023

Sci Rep

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Presuming that the incidence of cerebral palsy (CP) in Korea is decreasing due to medical advances, we analyzed the trends and risk factors of CP in changing circumstances. We identified all women who delivered a singleton between 2007 and 2015 using the Korea National Health Insurance (KNHI). Information on pregnancy and birth was obtained by linking the KNHI claims database and data from the national health-screening program for infants and children. The 4-years incidence of CP decreased significantly from 4.77 to 2.52 per 1000 babies during the study period. The multivariate analysis revealed that the risk of developing CP was 29.5 times higher in preterm infants born before 28 weeks of gestational age, 24.5 times higher in infants born between 28 and 34 weeks, and 4.5 times higher in infants born between 34 and 36 weeks, compared to full-term appropriate for age (2.5 ~ 4 kg of body weight) infants. 5.6 times higher in those with birth weight < 2500 g, and 3.8 times higher in pregnancies with polyhydramnios. Additionally, respiratory distress syndrome increased the risk of developing CP by 2.04 times, while necrotizing enterocolitis was associated with a 2.80-fold increased risk of CP. In Korea, the incidence of CP in singleton decreased from 2007 to 2015. We need to continue to focus on developing medical technologies for the early detection of high-risk neonates and minimizing brain damage to reduce the incidence rate of CP effectively.

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Section: Discussionmentioning

confidence: 99%

Declining incidence of cerebral palsy in South Korea

Kim

Lee

et al. 2023

Sci Rep

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“…Indeed, the birth rate of Korean women aged 40 to 44 years increased from 4.1% in 2010 to 7.1% in 2020 [ 12 ], and the rate of multiple births in women aged 40 years or older was 6.0% in 2020, a 0.8% increase from the previous year [ 13 ]. As the use of assisted reproductive technology is widespread in women with advanced maternal age (40 years or older) [ 14 ], a subsequent increase in multiple births and high-risk pregnancies can also be expected [ 15 ]. Multiple births can increase the risk of developing obstetric complications such as prenatal hypertensive diseases and postpartum hemorrhage [ 16 ], which can lead to maternal death.…”

Section: Discussionmentioning

confidence: 99%

Maternal, infant, and perinatal mortality statistics and trends in Korea between 2018 and 2020

Choi

Nho

et al. 2022

Korean J Women Health Nurs

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Purpose: This study aimed to identify maternal, infant, and perinatal mortality using the national population data of South Korea between 2018 and 2020, and to analyze mortality rates according to characteristics such as age, date of death, and cause of death in each group. This study updates the most recent study using 2009 to 2017 data.Methods: Analyses of maternal, infant, and perinatal mortality were done with data identified through the supplementary investigation system for cases of death from the Census of Population Dynamics data provided by Statistics Korea from 2018 to 2020.Results: Between 2018 and 2020, a total of 99 maternal deaths, 2,427 infant deaths, and 2,408 perinatal deaths were identified from 901,835 live births. The maternal mortality ratio was 11.3 deaths per 100,000 live births in 2018; it decreased to 9.9 in 2019 but increased again to 11.8 in 2020. The maternal mortality ratio increased steeply in women over the age of 40 years. An increasing trend in the maternal mortality ratio was found for complications related to the puerperium and hypertensive disorders. Both infant and perinatal mortality continued to decrease, from 2.8 deaths per 1,000 live births in 2018 to 2.5 in 2020 and from 2.8 in 2018 to 2.5 in 2020, respectively.Conclusion: Overall, the maternal, infant, and perinatal mortality statistics showed improvements. However, more attention should be paid to women over 40 years of age and specific causes of maternal deaths, which should be taken into account in Korea’s maternal and child health policies.

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Trends of Twin Birth in Korea, 1991-2018

Park¹,

Lim²

2019

J Health Info Stat

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pairs), provided by Statistics Korea. Weinberg's differential rule was used to estimate the number of MZ and DZ twin births. The impact of assisted reproductive technologies (ART) on MZ and DZ twinning was analyzed by examining data after the introduction of the national support program for infertile couples. The odds ratio (OR) and 95% confidence intervals were calculated to describe the trend in the MZ and DZ twinning ratio. Results: From 1991 to 2018, the DZ/MZ ratio increased significantly from 0.45 to 3.30. Prior to the introduction of the national support program for infertile couples (1991-1994 years), the DZ/MZ ratio was 0.54, but after its introduction, the DZ/MZ ratio was 1.

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Secular Trends of Multiple Birth Rate in Korea: 1981–2017

Cited by 5 publications

References 11 publications

Declining incidence of cerebral palsy in South Korea

Declining incidence of cerebral palsy in South Korea

Maternal, infant, and perinatal mortality statistics and trends in Korea between 2018 and 2020

Trends of Twin Birth in Korea, 1991-2018

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