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Low maternal hemoglobin (maternal anemia) has been linked to low birthweight and other adverse health outcomes in the fetus and infant. Our primary aim was to explore relationships between maternal dietary micronutrient intakes, maternal full blood count (FBC) parameters and fetal abdominal circumference (AC) and estimated fetal weight (EFW) growth trajectories. Secondarily, we aimed to assess relationships between maternal dietary micronutrient intakes, maternal hemoglobin values and placental weight and birthweight.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>\n                      Mother\u2013child pairs (\n                      <jats:italic>n<\/jats:italic>\n                      \u2009=\u2009759) recruited for the ROLO study were included in this analysis. Maternal dietary micronutrient intakes were calculated from food diaries completed during each trimester of pregnancy. FBC samples were collected at 13- and 28-weeks\u2019 gestation. Fetal ultrasound measurements were recorded at 20- and 34-weeks\u2019 gestation. Growth trajectories for AC and EFW were estimated using latent class trajectory mixture models.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>Dietary intakes of iron and folate were deficient for all trimesters. Mean maternal hemoglobin levels were replete at 13- and 28-weeks\u2019 gestation. Dietary iron, folate and vitamin B12 intakes showed no associations with fetal growth trajectories, placental weight or birthweight. Lower maternal hemoglobin concentrations at 28\u00a0weeks\u2019 gestation were associated with faster rates of fetal growth and larger placental weights and birthweights.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>The negative association between maternal hemoglobin at 28\u00a0weeks\u2019 gestation and accelerated fetal and placental growth may be due to greater consumption of maternal iron and hemoglobin by fetuses\u2019 on faster growth trajectories in addition to placental biochemical responses to lower oxygen states.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1007\/s00404-023-06916-x","type":"journal-article","created":{"date-parts":[[2023,1,28]],"date-time":"2023-01-28T05:03:27Z","timestamp":1674882207000},"page":"183-193","update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":19,"title":["Dietary intakes of iron, folate, and vitamin B12 during pregnancy and correlation with maternal hemoglobin and fetal growth: findings from the ROLO longitudinal birth cohort study"],"prefix":"10.1007","volume":"309","author":[{"given":"David J.","family":"Rooney","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Marie","family":"Conway","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Linda M.","family":"O\u2019Keeffe","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ciara M.","family":"McDonnell","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Helena C.","family":"Bartels","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Cara","family":"Yelverton","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ricardo","family":"Segurado","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"John","family":"Mehegan","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Fionnuala M.","family":"McAuliffe","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2023,1,28]]},"reference":[{"key":"6916_CR1","unstructured":"World Health Organization (2017) Nutritional anaemias: tools for effective prevention and control. https:\/\/www.who.int\/publications\/i\/item\/9789241513067. 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