ArticlePublic health nutrition2019
How to classify BMI among pregnant adolescents? A prospective cohort.
Article in Public health nutrition, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed.
- Gestational weight gain according to pre-pregnancy body mass index of a group of Latin American adolescents and its association with newborn birth weight.Cadernos de saude publica · 2025Article
- Establishment of a Latin American dataset to enable the construction of gestational weight gain charts for adolescents.PloS one · 2024Article
- Proposal of MUAC as a fast tool to monitor pregnancy nutritional status: results from a cohort study in Brazil.BMJ open · 2021Article
- Influence of breakfast and meal frequency in calcium intake among pregnant adolescents.Maternal & child nutrition · 2020Article
- Maternal prepregnancy BMI and size at birth: race/ethnicity-stratified, within-family associations in over 500,000 siblings.Annals of epidemiology · 2020Article
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Authors and funding
6 authors.
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No grant is acknowledged in the PubMed record.
Abstract
objectivePregnancy in adolescence is a global health issue, especially in developing countries. Additionally, the recommended gestational weight gain (GWG) is usually based on pre-pregnancy BMI and that might be complex for pregnant teens. The study objective was to compare three different methods of BMI classification and suggest the best way of determining pre-pregnancy BMI and monitoring GWG among pregnant adolescents.
designPre-pregnancy weight, weight at first prenatal visit, height, sociodemographic, reproductive and perinatal data were collected. Weighted kappa and McNemar statistics were used to assess agreement between the classification methods.
settingProf. Dr Jose Aristodemo Pinotti Women's Hospital, University of Campinas, Brazil.ParticipantsPrimiparas younger than 19 years of age and with less than 20 weeks of gestational age (n 150).
resultsBMI of the primiparas was determined according to the WHO recommendation for adult women, the Child Growth Standards (CGS) and their gynaecological age (GA). The WHO and GA measurements presented a strong agreement with each other (κ w=0·99; 95 % CI 0·97, 1·00), but did not agree with the CGS classification (κ w=0·62; 95 % CI 0·50, 0·74 by WHO; κ w=0·62; 95 % CI 0·51, 0·74 by GA). Also, inadequate GWG was observed in 72·2 % of cases and was correlated with a higher rate of caesarean birth.
conclusionsBMI classification according to the CGS differed from WHO and GA. However, CGS and WHO agreed on perinatal outcomes. We recommend using BMI classification by WHO to assess pregnant adolescents, since it is easily applied and better known among health professionals.
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