Multiple births and low birth weight
Evidence from South Korea
Bibliographic Data
| ID | 19458648 |
|---|---|
| Authors | Hyunkuk Cho (0000-0003-0800-982X, School of Economics and Finance Yeungnam University Gyeongsan South Korea, corresponding author), Yong Woo Lee (0000-0002-4375-9864, School of Economics and Finance Yeungnam University Gyeongsan South Korea) |
| Year | 2022 |
| Volume | 34 |
| Issue | 3 |
| Pages | e23648-e23648 |
| Publication date | 2022-03-01 |
| Open Access | Yes |
| Type | ARTICLE |
| Venue | American Journal of Human Biology (JOURNAL) |
| Journal identifiers | ISSN: 1042-0533 • E-ISSN: 1520-6300 |
| Publisher | Wiley (PUBLISHER • GB) |
| DOI | 10.1002/ajhb.23648 |
| PMID | 34403549 |
| OpenAlex | W3195211752 |
| Language | EN |
| Citations received | 3 |
| References cited | 30 |
OBJECTIVE: The proportion of multiple births has risen rapidly worldwide. Multiple births are likely to affect birth weight, which results in low birth weight (LBW) of less than 2500 g, possibly, because multiples are more likely to be born prematurely or less than 37 weeks into pregnancy. Using data from South Korea, this study aims to estimate the contribution of the rise in multiples to the rise in LBW incidence. METHODS: Based on data from 2000 to 2017, we estimated the effect of multiples on LBW rates using linear regression analysis. Based on the regression analysis and the change in the proportion of multiples during this period, we calculated the contribution of the rise in multiples to the rise in LBW incidence using the total differential. In other words, we divided the change in LBW during the period due to the change in multiples by the total change during the period. The data are from the birth registry of the National Statistical Office, which contains information on the 8.4 million live births during the period 2000-2017. RESULTS: We found that a 1 percentage point increase in multiples increases the proportion of LBWs by 0.495 percentage points. In addition, because the changes in the proportion of multiples and LBWs from 2000 to 2017 are 2.2 and 2.4 percentage points, respectively, 1.1 percentage points or 45.8% of the increase in LBWs over the period is due to the increase in multiples. CONCLUSION: Since the Korean government introduced a measure to reduce the number of transferred embryos recently, one may expect that multiples in Korea would reduce in the near future, as it did in other countries. Subsequently, the incidence of LBW children is also likely to reduce, which is desirable in terms of the children's health outcomes
Biology · Birth weight · Low birth weight · Multiple · Pregnancy · Statistics · Assisted Reproductive Technology and Twin Pregnancy · Demographic Trends and Gender Preferences · Demography · Gestational Diabetes Research and Management · Mathematics · Medicine
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| Citations per year | 1 |
|---|---|
| Citation span | 2023 - 2025 (3) |
| Highly cited | No |