Roseanne de Sousa Nobre, Paula Louro Silva, Letícia Falcão de Carvalho, Jéssica Lana Sales Lacerda, Lívia Patrícia Rodrigues Batista, Tamiris Ramos-Silva, Natália Pinheiro-Castro, Liania Alves Luzia, Patrícia Helen de Carvalho Rondó
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Abstract
Objective
The relationship between cesarean delivery and infant growth is controversial. Therefore, the aim of this study was to evaluate the association between the type of delivery and the growth trajectory of Brazilian infants in the first year of life.
Materials and Methods
This was a prospective cohort study conducted between 2016 and 2021 as part of the Araraquara Cohort Study that assessed quarterly anthropometry of 719 and 667 infants to evaluate, respectively, the effects of type of delivery on weight gain velocity (WGV) and length gain velocity (LGV) using generalized estimating equations.
Results
The type of delivery was not associated with WGV or LGV in the first year of life. Higher mean WGV was observed among infants born to mothers with higher education, male infants, formula-fed infants, and those with the lowest birth weight, while infants with diarrhea had lower mean WGV. Higher mean LGV was found among formula-fed infants and infants born to taller mothers, while infants with the highest length at birth had lower LGV.
Conclusion
The factors that explain WGV and LGV in this population are more closely related to maternal characteristics such as height and educational attainment, birth characteristics, feeding behavior, and morbidity than to the type of delivery.
期刊介绍：
The American Journal of Human Biology is the Official Journal of the Human Biology Association.
The American Journal of Human Biology is a bimonthly, peer-reviewed, internationally circulated journal that publishes reports of original research, theoretical articles and timely reviews, and brief communications in the interdisciplinary field of human biology. As the official journal of the Human Biology Association, the Journal also publishes abstracts of research presented at its annual scientific meeting and book reviews relevant to the field.
The Journal seeks scholarly manuscripts that address all aspects of human biology, health, and disease, particularly those that stress comparative, developmental, ecological, or evolutionary perspectives. The transdisciplinary areas covered in the Journal include, but are not limited to, epidemiology, genetic variation, population biology and demography, physiology, anatomy, nutrition, growth and aging, physical performance, physical activity and fitness, ecology, and evolution, along with their interactions. The Journal publishes basic, applied, and methodologically oriented research from all areas, including measurement, analytical techniques and strategies, and computer applications in human biology.
Like many other biologically oriented disciplines, the field of human biology has undergone considerable growth and diversification in recent years, and the expansion of the aims and scope of the Journal is a reflection of this growth and membership diversification.
The Journal is committed to prompt review, and priority publication is given to manuscripts with novel or timely findings, and to manuscripts of unusual interest.
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