Total Hemoglobin Trajectories from Pregnancy to Postpartum in Rural Northeast Brazil: Differences between Adolescent and Adult Women

Raí Nabichedí da Silva, Catherine M. Pirkle, Tetine Sentell, Nicole Kahielani Peltzer, Yan Yan Wu, Marlos R. Domingues and Saionara M. A. Câmara
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Raí Nabichedí da Silva: Postgraduate Program in Public Health, Faculty of Health Sciences of Trairi, Federal University of Rio Grande do Norte, Santa Cruz 59300-000, Brazil
Catherine M. Pirkle: Office of Public Health Studies, Thompson School of Social Work & Public Health, University of Hawaii at Mānoa, Honolulu, HI 96822, USA
Tetine Sentell: Office of Public Health Studies, Thompson School of Social Work & Public Health, University of Hawaii at Mānoa, Honolulu, HI 96822, USA
Nicole Kahielani Peltzer: Office of Public Health Studies, Thompson School of Social Work & Public Health, University of Hawaii at Mānoa, Honolulu, HI 96822, USA
Yan Yan Wu: Office of Public Health Studies, Thompson School of Social Work & Public Health, University of Hawaii at Mānoa, Honolulu, HI 96822, USA
Marlos R. Domingues: Postgraduate Programme in Physical Education, Federal University of Pelotas, Pelotas 96055-630, Brazil
Saionara M. A. Câmara: Postgraduate Program in Public Health, Faculty of Health Sciences of Trairi, Federal University of Rio Grande do Norte, Santa Cruz 59300-000, Brazil

IJERPH, 2022, vol. 19, issue 7, 1-13

Abstract: This study examines total hemoglobin (THB) trajectories during pregnancy and postpartum and associated factors among adolescents and adults from a low-income community. This is an observational, longitudinal study, part of the Adolescence and Motherhood Research (AMOR) project, performed between 2017 and 2019 in the Trairi region of Rio Grande do Norte state, Brazil. The THB levels of 100 primigravida adolescents and adults were monitored up to 16 weeks of gestation, in the third trimester, and 4–6 weeks postpartum, along with socioeconomic characteristics, anthropometrics, and health-related variables. Mixed-effect linear models evaluated the trajectories of THB and the associated factors. THB levels decreased between first and second assessments and increased between the second and postpartum assessments. For the adolescent cohort, the rebound in THB concentration between the third trimester and postpartum was not enough to make up for the initial losses, as occurred in the adult cohort. For the adult group, higher THB levels were associated with pregnancy planning and good self-rated health. Race was marginally associated to THB levels, with black/brown women presenting higher concentrations in the adolescent and lower concentration in the adult group. Special attention to prenatal care among pregnant adolescents should consider their higher risk of anemia and its negative effects.

Keywords: hemoglobin; pregnancy; postpartum; longitudinal studies; mother child health; anemia; prenatal care (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2022
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