ArticleNutrition journal2024
Maternal iron nutrition during pregnancy and fetal intrauterine growth.
Article in Nutrition journal, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed.
- Maternal iron status during pregnancy: relationship with fetal growth; ECLIPSES study.BMC pregnancy and childbirth · 2026Article
- Diet Quality, Nutrient Intake, and Body Fat Percentage in Women with Infertility and Normal Body Mass Index.Nutrients · 2026Article
- Dietary choline intake during pregnancy and birth weight in a Chinese population: a cross-sectional study.Nutrition journal · 2026Observational
- Adherence to vitamin and dietary supplement intake in fertility and pregnancy care: insights into knowledge, information satisfaction, and formulation variability.Archives of gynecology and obstetrics · 2026Article
- Dietary Choline Intake During Pregnancy and Congenital Heart Defects in a Chinese Population.Nutrients · 2025Article
- Article
- Influence of Dietary Fiber and Polyphenols During Pre-Gestation, Gestation, or Lactation on Intestinal Gene Expression.Nutrients · 2025Article
- Differential effects of prophylactic iron supplementation on physiological gestational anemia and post-IDA gestational anemia: a study based on a rat model.Frontiers in nutrition · 2025Article
- Construction of SGA prediction model based on multi-dimensional indicators in the second trimester of pregnancy: integrating parturient characteristics, serum markers and ultrasound parameters.Frontiers in pediatrics · 2025Article
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Authors and funding
6 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundIron is critical for maternal and fetal health; however, the effect of iron nutrition on fetal intrauterine growth remains unclear. This study aimed to investigate the associations of maternal iron nutrition during pregnancy with fetal intrauterine growth parameters among the Chinese population.
methodsThis retrospective birth cohort study included 482 pregnant women. Maternal information was collected by standard questionnaires. Maternal concentrations of serum ferritin and hemoglobin were detected. Fetal ultrasound examinations in the second and third trimesters were conducted. Quantile regression or linear regression models were applied to assess the associations.
resultsParticipants took iron supplementation in early, mid, and late pregnancy accounted for 19.1%, 40.3%, and 37.8%, respectively. Iron supplementation in the first and second trimesters and total iron intake in pregnancy were positively associated with fetal intrauterine growth parameters at some percentiles. Compared with those without iron supplementation in the second trimester, women with iron supplementation in the second trimester had 0.37 (95%CI = 0.24-0.49), 0.37 (95%CI = 0.26-0.48), 0.15 (95%CI = 0.04-0.26), and 0.52 (95%CI = 0.42-0.61) higher z-scores in fetal biparietal diameter, femur length, abdominal circumference, and estimated fetal weight at the 50th percentile in the second trimester, respectively. Maternal serum ferritin and hemoglobin concentrations in the first and second trimesters were positively correlated with several fetal growth parameters.
conclusionsFetal intrauterine growth may benefit from maternal iron nutrition in the first and second trimesters.
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