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- Title
Relationships between Maternal Obesity and Maternal and Neonatal Iron Status.
- Authors
Flynn, Angela C.; Begum, Shahina; White, Sara L.; Dalrymple, Kathryn; Gill, Carolyn; Alwan, Nisreen A.; Kiely, Mairead; Latunde-Dada, Gladys; Bell, Ruth; Briley, Annette L.; Nelson, Scott M.; Oteng-Ntim, Eugene; Sandall, Jane; Sanders, Thomas A.; Whitworth, Melissa; Murray, Deirdre M.; Kenny, Louise C.; Poston, Lucilla
- Abstract
Obesity in pregnancy may negatively influence maternal and infant iron status. The aim of this study was to examine the association of obesity with inflammatory and iron status in both mother and infant in two prospective studies in pregnancy: UPBEAT and SCOPE. Maternal blood samples from obese (n = 245, BMI ≥ 30 kg/m2) and normal weight (n = 245, BMI 2) age matched pregnant women collected at approximately 15 weeks’ gestation, and umbilical cord blood samples collected at delivery, were analysed for a range of inflammatory and iron status biomarkers. Concentrations of C- reactive protein and Interleukin-6 in obese women compared to normal weight women were indicative of an inflammatory response. Soluble transferrin receptor (sTfR) concentration [18.37 nmol/L (SD 5.65) vs. 13.15 nmol/L (SD 2.33)] and the ratio of sTfR and serum ferritin [1.03 (SD 0.56) vs. 0.69 (SD 0.23)] were significantly higher in obese women compared to normal weight women (P n = 64) had higher sTfR concentration compared with white women. There was no difference in maternal hepcidin between obese and normal weight women. Iron status determined by cord ferritin was not statistically different in neonates born to obese women compared with neonates born to normal weight women when adjusted for potential confounding variables. Obesity is negatively associated with markers of maternal iron status, with ethnic minority women having poorer iron statuses than white women.
- Subjects
BIOMARKERS; BODY weight; C-reactive protein; ETHNIC groups; FERRITIN; CORD blood; GESTATIONAL age; INFLAMMATION; INTERLEUKINS; IRON; LONGITUDINAL method; EVALUATION of medical care; MEMBRANE proteins; MINORITIES; OBESITY; PREGNANT women; RACE; TRANSFERRIN; WHITE people; BODY mass index; NUTRITIONAL status; CONFOUNDING variables; FETUS; PREGNANCY
- Publication
Nutrients, 2018, Vol 10, Issue 8, p1000
- ISSN
2072-6643
- Publication type
Academic Journal
- DOI
10.3390/nu10081000