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Prevalence of Large-for-Gestational Age and Macrosomia Among Livebirths in 23 Low- and Middle-Income Countries Between 2000 and 2021: An Individual Participant Data Analysis

Fati Kirakoya-Samadoulougou*, Joyeuse Ukwishaka, Calypse Ngwasiri, Seema Subedi, Elizabeth A Hazel, Daniel J Erchick, Lee Shu Fune Wu, Carlos Grandi, Carl Lachat, Laéticia Céline Toe, Dominique Roberfroid, Lieven Huybregts, Alain B Labrique, Mabhubur Rashid, Saijuddin Shaikh, Rezwanul Haque, Abdullah H Baqui, Samir K Saha, Rasheda Khanam, Sayedur RahmanMd Mariângela F Silveira, Romina Buffarini, Roger L Shapiro, Rebecca Zash, Zhonghai Zhu, Lingxia Zeng, Xiu Qiu, Jianrong He, Seifu H Gebreyesus, Kokeb Tesfamariam, Grace Chan, Delayehu Bekele, Seth Adu-Afarwuah, Kathryn G Dewey, Stephaney Gyaase, Blair J Wylie, Sunita Taneja, Ranadip Chowdhury, Giridhara R Babu, R Deepa, Mohamed Rishard, Marzia Lazzerini, Maria J Rodriguez-Sibaja, Sandra Acevedo-Gallegos, Per Ashorn, Kenneth Maleta, Christentze Schmiegelow, Daniel Minja, Line Hjort, John P A Lusingu, Subnational Collaborative Group for Vulnerable Newborn Prevalence

*Corresponding author for this work
2 Citations (Scopus)

Abstract

OBJECTIVE: To examine the prevalence of large-for-gestational age (LGA) and macrosomia in 23 countries between 2000 and 2021.

DESIGN: Descriptive multi-country secondary data analysis.

SETTING: Subnational, population-based cohort studies (k = 45 for LGA, k = 25 for macrosomia) in 23 low- and middle-income countries (LMICs).

POPULATION: Liveborn infants.

METHODS: We conducted a secondary analysis of individual-level data from the Vulnerable Newborn Measurement Collaboration, using INTERGROWTH-21st standards to define LGA (> 90th centile for gestational age and sex) and macrosomia (≥ 4000 g, regardless of gestational age). We included LMIC population-based datasets with reliable gestational age and birthweight data, excluding studies with small sample sizes, high missing data, or implausible measurements. Prevalence estimates were stratified by region, study period and gestational age, and results were summarised as medians and interquartile ranges (IQR).

MAIN OUTCOME MEASURES: Prevalence of LGA and macrosomia.

RESULTS: Among 476 939 live births, the median prevalence of LGA was 5.1% (IQR: 2.9%-9.6%) and was highest in Latin America and the Caribbean at 9.6% (4 studies, IQR: 2.7%-16.1%) and lowest in South Asia at 2.7% (13 studies, IQR: 2.3%-3.7%). Over time, the median LGA prevalence increased from 4.9% (12 studies; IQR: 4.1%-7.9%) during the period from 2000 to 2010 to 5.9% (33 studies, IQR: 2.7%-11.2%) from 2011 to 2021. Term LGA was more common at 3.2% (0.9-5.1) than preterm or post-term LGA. Among 313 064 live births, the median prevalence of macrosomia was 1.3% (n = 313 064, IQR: 0.2%-2.4%), which was highest in Latin America and the Caribbean (4 studies, 3.1%, IQR: 0.7%-6.8%) and lowest in South Asia (8 studies, 0.1%, IQR: 0.0%-0.7%). The median prevalence remained stable over time: 1.1% (8 studies, IQR: 0.2%-3.1%) in older studies (2000-2010) and 1.3% (17 studies, IQR: 0.5%-2.4%) in more recent studies (2011-2021). Term macrosomia was more common at 1.2% (0.2-2.0) than preterm and post-term macrosomia.

CONCLUSIONS: The overall prevalence of LGA and macrosomia was lower in these LMIC studies than is reported in high-income countries. The prevalence of large babies was highest in Latin America and the Caribbean.

Original languageEnglish
JournalBJOG : an international journal of obstetrics and gynaecology
Volume132 Suppl 8
Issue numberSuppl 8
Pages (from-to)S97-S108
ISSN1470-0328
DOIs
Publication statusPublished - Nov 2025

Keywords

  • birth weight
  • large-for-gestational age
  • low- and middle-income countries
  • macrosomia
  • vulnerable newborn types
  • Prevalence
  • Humans
  • Live Birth/epidemiology
  • Developing Countries/statistics & numerical data
  • Male
  • Gestational Age
  • Latin America/epidemiology
  • Pregnancy
  • Birth Weight
  • Female
  • Adult
  • Fetal Macrosomia/epidemiology
  • Infant, Newborn

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