Predictors of pregnancy and postpartum haemoglobin concentrations in low-income women

Public Health Nutrition
L M BodnarThad McDonald

Abstract

Pregnancy and postpartum iron status is of great public health importance, yet few studies have examined predictors of haemoglobin (Hb) concentration during this time. We identified predictors of Hb from 24 weeks' gestation until delivery and from 4 to 25 weeks postpartum. Blood was drawn as many as four times during care: at the initial visit, at 24-29 weeks' gestation, at delivery and postpartum. A longitudinal, multivariable linear regression model was used to predict Hb concentration. A public health clinic in Raleigh, North Carolina. n=520 women who participated in the Iron Supplementation Study. Hb concentration at the previous blood draw, short stature, non-Hispanic white ethnicity/race, >12 years of education and smoking were positive predictors of pregnancy and postpartum Hb concentrations. Iron supplement use was a positive predictor, while inadequate weight gain and severe nausea/vomiting were negative predictors of gestational Hb. A high infant birth weight and postpartum haemorrhage were negative predictors of postpartum Hb. Pre-pregnancy body mass index had a slight positive relationship with gestational Hb, but had a strong negative relationship with postpartum Hb. The longitudinal model also confirmed the typica...Continue Reading

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Citations

Apr 12, 2007·BMC Pediatrics·Rathavuth HongMartin Ruiz-Beltran
Nov 15, 2008·Obesity·Jennifer B WebbNancy Dole
Dec 1, 2017·Maternal and Child Health Journal·Rachelle PullmerRebecca Cobb
Jul 2, 2004·Obesity Research·Lisa M BodnarMary E Cogswell
Dec 11, 2007·International Journal of Gynaecology and Obstetrics : the Official Organ of the International Federation of Gynaecology and Obstetrics·Cyril EngmannBetsy Lozoff
Sep 10, 2008·The American Journal of Clinical Nutrition·Andrea L DeierleinAmy Herring
Mar 27, 2007·Public Health Nutrition·Vibeke K KnudsenSjurdur F Olsen
Apr 2, 2010·The American Journal of Clinical Nutrition·Lisa M BodnarBarbara Abrams
Mar 1, 2012·Maternal and Child Health Journal·Renée M Ferrari, Anna Maria Siega-Riz
Jan 8, 2013·The Journal of Rural Health : Official Journal of the American Rural Health Association and the National Rural Health Care Association·Alexa GallagherJeffrey W Hall
Jun 11, 2014·Maternal and Child Health Journal·Shericka T HarrisAlexa Gallagher
Feb 19, 2016·Iranian Red Crescent Medical Journal·Leila Alizadeh, Leili Salehi
Nov 13, 2014·Iranian Red Crescent Medical Journal·Leila AlizadehMani Ramzi
Oct 12, 2012·Maternal and Child Health Journal·Julianna DeardorffBarbara Abrams
Nov 10, 2017·Preventing Chronic Disease·Kristen J PolinskiAlexander C McLain
Sep 10, 2020·International Journal of Environmental Research and Public Health·Sajeevika S DaundasekaraDaphne C Hernandez
Jun 3, 2011·American Journal of Epidemiology·Lisa M BodnarBarbara Abrams

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