Association of cesarean delivery with anemia in infants and children in 2 large longitudinal Chinese birth cohorts

The American Journal of Clinical Nutrition
Hong-tian LiJian-meng Liu

Abstract

Cesarean delivery may reduce placental-fetal transfusion and thus increase the risk of early childhood anemia compared with vaginal delivery, but this notion has not been carefully studied in longitudinal cohorts. The aim was to assess the association of cesarean delivery with anemia in infants and children in 2 longitudinal Chinese birth cohorts from different socioeconomic settings. Cohort 1 was recruited from 5 counties in northeastern China and cohort 2 from 21 counties or cities in southeastern China. Cohort 1 involved 17,423 infants born during 2006-2009 to mothers with early pregnancy baseline hemoglobin concentrations ranging from 100 to 177 g/L, whereas cohort 2 involved 122,777 children born during 1993-1996 to mothers with baseline hemoglobin concentrations ranging from 60 to 190 g/L. The main outcomes were anemia at 6 and 12 mo in cohort 1 and at 58 mo in cohort 2. Multiple logistic regressions were used to estimate adjusted ORs of anemia for cesarean compared with vaginal delivery. Stratified analyses were performed by pre- and postlabor cesarean delivery and according to maternal baseline hemoglobin concentration (≤109, 110-119, 120-129, and ≥130 g/L). Cesarean delivery was not associated with anemia at 6 mo in co...Continue Reading

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Citations

Aug 21, 2016·Journal of Tropical Pediatrics·Qian-Qian XinLi-Hong Wang
Oct 8, 2016·Maternal & Child Nutrition·Calistus WilundaKoji Kawakami
Mar 2, 2017·Nutrients·Min LiLichen Yang
Oct 20, 2017·Maternal & Child Nutrition·Calistus WilundaKoji Kawakami
Jul 1, 2020·The British Journal of Nutrition·Shaohua YinJianmeng Liu
Dec 13, 2016·International Journal of Epidemiology·Ju-Sheng ZhengDuo Li

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