{"id":15184,"date":"2016-03-01T18:15:08","date_gmt":"2016-03-01T18:15:08","guid":{"rendered":"https:\/\/staging.awgp.pt\/testes\/?p=15184"},"modified":"2025-04-22T15:16:54","modified_gmt":"2025-04-22T15:16:54","slug":"iron-deficiency-in-early-pregnancy-using-serum-ferritin-and-soluble-transferrin-receptor-concentrations-are-associated-with-pregnancy-and-birth-outcomes","status":"publish","type":"post","link":"https:\/\/staging.awgp.pt\/testes\/iron-deficiency-in-early-pregnancy-using-serum-ferritin-and-soluble-transferrin-receptor-concentrations-are-associated-with-pregnancy-and-birth-outcomes\/","title":{"rendered":"Iron deficiency in early pregnancy using serum ferritin and soluble transferrin receptor concentrations are associated with pregnancy and birth outcomes"},"content":{"rendered":"<style type=\"text\/css\"><\/style>[cmsmasters_row data_padding_bottom=&#8221;50&#8243; data_padding_top=&#8221;0&#8243; data_bg_parallax_ratio=&#8221;0.5&#8243; data_bg_size=&#8221;cover&#8221; data_bg_attachment=&#8221;scroll&#8221; data_bg_repeat=&#8221;no-repeat&#8221; data_bg_position=&#8221;top center&#8221; data_color=&#8221;default&#8221; data_bot_style=&#8221;default&#8221; data_top_style=&#8221;default&#8221; data_padding_right=&#8221;3&#8243; data_padding_left=&#8221;3&#8243; data_width=&#8221;boxed&#8221;][cmsmasters_column data_width=&#8221;1\/1&#8243;][cmsmasters_text animation_delay=&#8221;0&#8243;]<\/p>\n<p class=\"cit\"><span role=\"menubar\">Eur J Clin Nutr.<\/span>\u00a02016 Mar;70(3):358-63. doi: 10.1038\/ejcn.2015.157. Epub 2015 Sep 16.<\/p>\n<h2>Iron deficiency in early pregnancy using serum ferritin and soluble transferrin receptor concentrations are associated with pregnancy and birth outcomes<\/h2>\n<p class=\"auths\">Khambalia AZ<sup>1<\/sup>,\u00a0Collins CE<sup>2<\/sup>,\u00a0Roberts CL<sup>1<\/sup>,\u00a0Morris JM<sup>1<\/sup>,\u00a0Powell KL<sup>3<\/sup>,\u00a0Tasevski V<sup>1<\/sup>,\u00a0Nassar N<sup>1<\/sup>.<\/p>\n<div class=\"afflist\">\n<p><strong><span class=\"ui-ncbitoggler-master-text\">Author information<\/span><\/strong><\/p>\n<div class=\"ui-helper-reset\" aria-live=\"assertive\">\n<dl class=\"ui-ncbi-toggler-slave-open ui-ncbitoggler ui-ncbitoggler-slave-open\" aria-hidden=\"false\">\n<dt><sup>1 &#8211; Clinical and Population Perinatal Health Research, Kolling Institute, University of Sydney, Sydney, New South Wales, Australia.<\/sup><\/dt>\n<dt><sup>2 &#8211; School of Health Sciences, Faculty of Health and Medicine, Priority Research Centre for Physical Activity and Nutrition, University of Newcastle, Newcastle, New South Wales, Australia.<\/sup><\/dt>\n<dt><sup>3 &#8211; Division of Perinatal Research, Kolling Institute, University of Sydney, Royal North Shore Hospital, St Leonards, NSW, Australia.<\/sup><\/dt>\n<\/dl>\n<\/div>\n<\/div>\n<div class=\"abstr\">\n<p><strong>Abstract<\/strong><\/p>\n<div class=\"\">\n<p><strong>BACKGROUND\/OBJECTIVES: <\/strong>There are several biomarkers for measuring iron deficiency (ID) in pregnancy, but the prevalence of ID and its association with inflammation and adverse pregnancy outcomes is inconclusive. The aim of this work was to describe the prevalence and determinants of first trimester ID and associations with pregnancy and birth outcomes.<\/p>\n<p><strong>SUBJECTS\/METHODS: <\/strong>A record-linkage cohort study of archived serum samples of women attending first trimester screening and birth and hospital data to ascertain maternal characteristics and pregnancy outcomes. Sera were analysed for iron stores (ferritin; \u03bcg\/l), lack of iron in the tissues (soluble transferrin receptor (sTfR); nmol\/l) and inflammatory (C-reactive protein (CRP); mg\/dl) biomarkers. Total body iron (TBI) was calculated from serum ferritin (SF) and sTfR concentrations. Multivariate logistic regression analysed risk factors and pregnancy outcomes associated with ID using the definitions: SF&lt;12\u2009\u03bcg\/l, TfR \u2a7e 21.0 nmol\/l, and TBI&lt;0 mg\/kg.<\/p>\n<p><strong>RESULTS: <\/strong>Of the 4420 women, the prevalence of ID based on ferritin, sTfR and TBI was 19.6, 15.3 and 15.7%, respectively. Risk factors of ID varied depending on which iron parameter was used and included maternal age &lt;25 years, multiparity, socioeconomic disadvantage, high maternal body weight and inflammation. ID, defined by SF and TBI but not TfR, was associated with reduced risk of gestational diabetes mellitus (GDM). ID defined using TBI only was associated with increased risk of large-for-gestation-age (LGA) infants.<\/p>\n<p><strong>CONCLUSIONS: <\/strong>Nearly one in five Australian women begin pregnancy with ID. Further investigation of excess maternal weight and inflammation in the relationships between ID and GDM and LGA infants is needed.<\/p>\n<\/div>\n<\/div>\n<p>[\/cmsmasters_text][cmsmasters_button button_type=&#8221;regular&#8221; button_link=&#8221;https:\/\/www.nature.com\/articles\/ejcn2015157&#8243; button_target=&#8221;blank&#8221; button_text_align=&#8221;left&#8221; button_style=&#8221;cmsmasters_but_bg_slide_left&#8221; button_font_weight=&#8221;normal&#8221; button_font_style=&#8221;normal&#8221; button_border_style=&#8221;solid&#8221; animation_delay=&#8221;0&#8243;]European Journal of Clinical Nutrition[\/cmsmasters_button][\/cmsmasters_column][\/cmsmasters_row]\n","protected":false},"excerpt":{"rendered":"<p>[cmsmasters_row data_padding_bottom=&#8221;50&#8243; data_padding_top=&#8221;0&#8243; data_bg_parallax_ratio=&#8221;0.5&#8243; data_bg_size=&#8221;cover&#8221; data_bg_attachment=&#8221;scroll&#8221; data_bg_repeat=&#8221;no-repeat&#8221; data_bg_position=&#8221;top center&#8221; data_color=&#8221;default&#8221; data_bot_style=&#8221;default&#8221; data_top_style=&#8221;default&#8221; data_padding_right=&#8221;3&#8243; data_padding_left=&#8221;3&#8243; data_width=&#8221;boxed&#8221;][cmsmasters_column data_width=&#8221;1\/1&#8243;][cmsmasters_text animation_delay=&#8221;0&#8243;] Eur J Clin Nutr.\u00a02016 Mar;70(3):358-63. doi: 10.1038\/ejcn.2015.157. Epub 2015 Sep 16. Iron deficiency in early pregnancy using serum ferritin and soluble transferrin receptor concentrations are associated with pregnancy and birth outcomes Khambalia AZ1,\u00a0Collins CE2,\u00a0Roberts CL1,\u00a0Morris JM1,\u00a0Powell KL3,\u00a0Tasevski V1,\u00a0Nassar&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[102,97],"tags":[142,141,100,82,243,81,103,105,206,104,235],"class_list":["post-15184","post","type-post","status-publish","format-standard","hentry","category-anemia-na-gravida","category-artigo-cientifico","tag-anemia-in-pregnancy","tag-anemia-na-gravidez","tag-deficiencia-de-ferro","tag-falta-de-ferro","tag-ferritina-serica","tag-ferropenia","tag-gravidez","tag-iron-deficiency","tag-iron-deficiency-anemia","tag-pregnancy","tag-serum-ferritin"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Iron deficiency in early pregnancy using serum ferritin and soluble transferrin receptor concentrations are associated with pregnancy and birth outcomes - AWGP - Testes<\/title>\n<meta name=\"robots\" content=\"noindex, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<meta property=\"og:locale\" content=\"pt_PT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Iron deficiency in early pregnancy using serum ferritin and soluble transferrin receptor concentrations are associated with pregnancy and birth outcomes - AWGP - Testes\" \/>\n<meta property=\"og:description\" content=\"[cmsmasters_row data_padding_bottom=&#8221;50&#8243; data_padding_top=&#8221;0&#8243; data_bg_parallax_ratio=&#8221;0.5&#8243; data_bg_size=&#8221;cover&#8221; data_bg_attachment=&#8221;scroll&#8221; data_bg_repeat=&#8221;no-repeat&#8221; data_bg_position=&#8221;top center&#8221; data_color=&#8221;default&#8221; data_bot_style=&#8221;default&#8221; data_top_style=&#8221;default&#8221; data_padding_right=&#8221;3&#8243; data_padding_left=&#8221;3&#8243; data_width=&#8221;boxed&#8221;][cmsmasters_column data_width=&#8221;1\/1&#8243;][cmsmasters_text animation_delay=&#8221;0&#8243;] Eur J Clin Nutr.\u00a02016 Mar;70(3):358-63. doi: 10.1038\/ejcn.2015.157. 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