{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,11,13]],"date-time":"2026-11-13T14:05:13Z","timestamp":1794578713681,"version":"4.9.1"},"reference-count":42,"publisher":"Elsevier BV","issue":"5","license":[{"start":{"date-parts":[[2021,9,1]],"date-time":"2021-09-01T00:00:00Z","timestamp":1630454400000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/tdm\/userlicense\/1.0\/"},{"start":{"date-parts":[[2021,9,1]],"date-time":"2021-09-01T00:00:00Z","timestamp":1630454400000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/legal\/tdmrep-license"},{"start":{"date-parts":[[2021,9,1]],"date-time":"2021-09-01T00:00:00Z","timestamp":1630454400000},"content-version":"stm-asf","delay-in-days":0,"URL":"https:\/\/doi.org\/10.15223\/policy-017"},{"start":{"date-parts":[[2021,9,1]],"date-time":"2021-09-01T00:00:00Z","timestamp":1630454400000},"content-version":"stm-asf","delay-in-days":0,"URL":"https:\/\/doi.org\/10.15223\/policy-037"},{"start":{"date-parts":[[2021,9,1]],"date-time":"2021-09-01T00:00:00Z","timestamp":1630454400000},"content-version":"stm-asf","delay-in-days":0,"URL":"https:\/\/doi.org\/10.15223\/policy-012"},{"start":{"date-parts":[[2021,9,1]],"date-time":"2021-09-01T00:00:00Z","timestamp":1630454400000},"content-version":"stm-asf","delay-in-days":0,"URL":"https:\/\/doi.org\/10.15223\/policy-029"},{"start":{"date-parts":[[2021,9,1]],"date-time":"2021-09-01T00:00:00Z","timestamp":1630454400000},"content-version":"stm-asf","delay-in-days":0,"URL":"https:\/\/doi.org\/10.15223\/policy-004"}],"funder":[{"DOI":"10.13039\/100000050","name":"National Heart, Lung, and Blood Institute","doi-asserted-by":"publisher","award":["K08HL150340"],"award-info":[{"award-number":["K08HL150340"]}],"id":[{"id":"10.13039\/100000050","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100000002","name":"National Institutes of Health","doi-asserted-by":"publisher","id":[{"id":"10.13039\/100000002","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["ajogmfm.org","elsevier.com","sciencedirect.com"],"crossmark-restriction":true},"short-container-title":["American Journal of Obstetrics & Gynecology MFM"],"published-print":{"date-parts":[[2021,9]]},"DOI":"10.1016\/j.ajogmf.2021.100395","type":"journal-article","created":{"date-parts":[[2021,5,13]],"date-time":"2021-05-13T12:27:51Z","timestamp":1620908871000},"page":"100395","update-policy":"https:\/\/doi.org\/10.1016\/elsevier_cm_policy","source":"Crossref","is-referenced-by-count":73,"title":["Maternal anemia and severe maternal morbidity in a US cohort"],"prefix":"10.1016","volume":"3","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-6189-2354","authenticated-orcid":false,"given":"Rachel K.","family":"Harrison","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Samantha R.","family":"Lauhon","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Zachary A.","family":"Colvin","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jennifer J.","family":"McIntosh","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"78","reference":[{"key":"10.1016\/j.ajogmf.2021.100395_bib0001","doi-asserted-by":"crossref","first-page":"124","DOI":"10.1016\/j.ijgo.2007.05.011","article-title":"Low first-trimester hemoglobin and low birth weight, preterm birth and small for gestational age newborns","volume":"98","author":"Ren","year":"2007","journal-title":"Int J Gynaecol Obstet"},{"key":"10.1016\/j.ajogmf.2021.100395_bib0002","doi-asserted-by":"crossref","first-page":"1354","DOI":"10.12669\/pjms.326.11199","article-title":"Can anemia predict perinatal outcomes in different stages of pregnancy?","volume":"32","author":"Vural","year":"2016","journal-title":"Pak J Med Sci"},{"key":"10.1016\/j.ajogmf.2021.100395_bib0003","doi-asserted-by":"crossref","first-page":"2799","DOI":"10.1111\/trf.13252","article-title":"Iron deficiency anemia at admission for labor and delivery is associated with an increased risk for cesarean section and adverse maternal and neonatal outcomes","volume":"55","author":"Drukker","year":"2015","journal-title":"Transfusion"},{"key":"10.1016\/j.ajogmf.2021.100395_bib0004","doi-asserted-by":"crossref","first-page":"182","DOI":"10.1016\/j.ejogrb.2005.02.015","article-title":"Maternal anemia during pregnancy is an independent risk factor for low birthweight and preterm delivery","volume":"122","author":"Levy","year":"2005","journal-title":"Eur J Obstet Gynecol Reprod Biol"},{"key":"10.1016\/j.ajogmf.2021.100395_bib0005","doi-asserted-by":"crossref","first-page":"777","DOI":"10.3390\/nu12030777","article-title":"Maternal dietary intakes, red blood cell indices and risk for anemia in the first, second and third trimesters of pregnancy and at predelivery","volume":"12","author":"Agbozo","year":"2020","journal-title":"Nutrients"},{"key":"10.1016\/j.ajogmf.2021.100395_bib0006","doi-asserted-by":"crossref","first-page":"1405","DOI":"10.1097\/AOG.0b013e3181ac0544","article-title":"105: bariatric surgery and pregnancy","volume":"113","year":"2009","journal-title":"Obstet Gynecol"},{"key":"10.1016\/j.ajogmf.2021.100395_bib0007","doi-asserted-by":"crossref","first-page":"1","DOI":"10.1186\/1756-0500-4-311","article-title":"Severe anaemia is associated with a higher risk for preeclampsia and poor perinatal outcomes in Kassala hospital, eastern Sudan","volume":"4","author":"Ali","year":"2011","journal-title":"BMC research notes."},{"key":"10.1016\/j.ajogmf.2021.100395_bib0008","doi-asserted-by":"crossref","first-page":"49","DOI":"10.1080\/00016340500334794","article-title":"Maternal and fetal outcome after severe anemia in pregnancy in rural Ghana","volume":"85","author":"Geelhoed","year":"2006","journal-title":"Acta Obstet Gynecol Scand"},{"key":"10.1016\/j.ajogmf.2021.100395_bib0009","doi-asserted-by":"crossref","first-page":"1234","DOI":"10.1097\/AOG.0000000000003557","article-title":"Maternal and perinatal morbidity and mortality associated with anemia in pregnancy","volume":"134","author":"Smith","year":"2019","journal-title":"Obstet Gynecol"},{"key":"10.1016\/j.ajogmf.2021.100395_bib0010","first-page":"1","article-title":"Recommendations to prevent and control iron deficiency in the United States. Centers for Disease Control and Prevention","volume":"47","year":"1998","journal-title":"MMWR Recomm Rep"},{"key":"10.1016\/j.ajogmf.2021.100395_bib0011","doi-asserted-by":"crossref","first-page":"125","DOI":"10.1111\/j.1749-6632.2000.tb06223.x","article-title":"Anemia in pregnancy","volume":"900","author":"Sifakis","year":"2000","journal-title":"Ann N Y Acad Sci"},{"key":"10.1016\/j.ajogmf.2021.100395_bib0012","doi-asserted-by":"crossref","first-page":"281","DOI":"10.1016\/j.cll.2013.03.016","article-title":"Anemia in pregnancy","volume":"33","author":"Horowitz","year":"2013","journal-title":"Clin Lab Med"},{"key":"10.1016\/j.ajogmf.2021.100395_bib0013","doi-asserted-by":"crossref","first-page":"61","DOI":"10.1016\/j.nut.2015.07.009","article-title":"Effects of anemia at different stages of gestation on infant outcomes","volume":"32","author":"Menon","year":"2016","journal-title":"Nutrition"},{"key":"10.1016\/j.ajogmf.2021.100395_bib0014","doi-asserted-by":"crossref","first-page":"516","DOI":"10.1016\/j.ajog.2020.03.006","article-title":"Iron deficiency in pregnancy","volume":"223","author":"Georgieff","year":"2020","journal-title":"Am J Obstet Gynecol"},{"key":"10.1016\/j.ajogmf.2021.100395_bib0015","unstructured":"Centers for Disease Control and Prevention. Severe maternal morbidity in the United States. 2021. Available at:https:\/\/www.cdc.gov\/reproductivehealth\/MaternalInfantHealth\/SevereMaternalMorbidity.html. Accessed August 5, 2020."},{"key":"10.1016\/j.ajogmf.2021.100395_bib0016","doi-asserted-by":"crossref","first-page":"1154","DOI":"10.1111\/1471-0528.16216","article-title":"Haemoglobin levels in early pregnancy and severe maternal morbidity: population-based cohort study","volume":"127","author":"Ray","year":"2020","journal-title":"BJOG"},{"key":"10.1016\/j.ajogmf.2021.100395_bib0017","doi-asserted-by":"crossref","first-page":"529","DOI":"10.7326\/M15-1707","article-title":"U.S. Preventive Services Task Force. Screening for iron deficiency anemia and iron supplementation in pregnant women to improve maternal health and birth outcomes: US Preventive Services Task Force recommendation statement","volume":"163","author":"Siu","year":"2015","journal-title":"Ann Intern Med"},{"key":"10.1016\/j.ajogmf.2021.100395_bib0018","doi-asserted-by":"crossref","first-page":"1627","DOI":"10.1007\/s10995-016-2252-1","article-title":"Screening and treatment for Iron deficiency Anemia in women: results of a survey of obstetrician-gynecologists","volume":"21","author":"Marcewicz","year":"2017","journal-title":"Matern child health j."},{"key":"10.1016\/j.ajogmf.2021.100395_bib0019","doi-asserted-by":"crossref","DOI":"10.1016\/j.ajog.2010.06.058","article-title":"Contemporary cesarean delivery practice in the United States","volume":"203","author":"Zhang","year":"2010","journal-title":"Am J Obstet Gynecol"},{"key":"10.1016\/j.ajogmf.2021.100395_bib0020","doi-asserted-by":"crossref","first-page":"1029","DOI":"10.1097\/AOG.0b013e31826d60c5","article-title":"Severe maternal morbidity among delivery and postpartum hospitalizations in the United States","volume":"120","author":"Callaghan","year":"2012","journal-title":"Obstet Gynecol"},{"key":"10.1016\/j.ajogmf.2021.100395_bib0021","article-title":"An analysis of anemia and pregnancy-related maternal mortality","volume":"131","author":"Brabin","year":"2001","journal-title":"J Nutri."},{"key":"10.1016\/j.ajogmf.2021.100395_bib0022","doi-asserted-by":"crossref","first-page":"177","DOI":"10.2147\/IJWH.S160022","article-title":"Severe maternal morbidity (near-miss) and its correlates in the world's newest nation: South Sudan","volume":"11","author":"Alemu","year":"2019","journal-title":"Int J Womens Health"},{"key":"10.1016\/j.ajogmf.2021.100395_bib0023","doi-asserted-by":"crossref","first-page":"61","DOI":"10.1111\/anae.15222","article-title":"Gestational anaemia and severe acute maternal morbidity: a population-based study","volume":"76","author":"Guignard","year":"2021","journal-title":"Anaesthesia"},{"key":"10.1016\/j.ajogmf.2021.100395_bib0024","first-page":"338","article-title":"The frequency of anemia and underlying factors among Iranian pregnant women from provinces with different maternal mortality rate","volume":"48","author":"Motlagh","year":"2019","journal-title":"Iran J Public Health"},{"key":"10.1016\/j.ajogmf.2021.100395_bib0025","doi-asserted-by":"crossref","first-page":"235","DOI":"10.21106\/ijma.263","article-title":"Maternal mortality at the Dori Regional Hospital in Northern Burkina Faso, 2014-2016","volume":"7","author":"Zaman\u00e9","year":"2019","journal-title":"Int J MCH AIDS"},{"key":"10.1016\/j.ajogmf.2021.100395_bib0026","doi-asserted-by":"crossref","first-page":"e548","DOI":"10.1016\/S2214-109X(18)30078-0","article-title":"Risk of maternal mortality in women with severe anaemia during pregnancy and post partum: a multilevel analysis","volume":"6","author":"Daru","year":"2018","journal-title":"Lancet Glob Health"},{"key":"10.1016\/j.ajogmf.2021.100395_bib0027","first-page":"1","article-title":"Patterns and causes of hospital maternal mortality in","volume":"2019","author":"Bwana","year":"2006","journal-title":"PLoS One"},{"key":"10.1016\/j.ajogmf.2021.100395_bib0028","doi-asserted-by":"crossref","first-page":"295","DOI":"10.1007\/s13224-016-0902-2","article-title":"Analysis of near-miss and maternal mortality at tertiary referral centre of rural India","volume":"66","author":"Rathod","year":"2016","journal-title":"J Obstet Gynaecol India"},{"key":"10.1016\/j.ajogmf.2021.100395_bib0029","doi-asserted-by":"crossref","first-page":"737","DOI":"10.1111\/1471-0528.15585","article-title":"Maternal anaemia and maternal, fetal, and neonatal outcomes in a prospective cohort study in India and Pakistan","volume":"126","author":"Parks","year":"2019","journal-title":"BJOG"},{"key":"10.1016\/j.ajogmf.2021.100395_bib0030","doi-asserted-by":"crossref","first-page":"555","DOI":"10.1111\/aogs.12862","article-title":"Maternal and neonatal outcomes of antenatal anemia in a Scottish population: a retrospective cohort study","volume":"95","author":"Rukuni","year":"2016","journal-title":"Acta Obstet Gynecol Scand"},{"key":"10.1016\/j.ajogmf.2021.100395_bib0031","first-page":"232","article-title":"Association between anaemia during pregnancy and blood loss at and after delivery among women with vaginal births in Pemba Island, Zanzibar, Tanzania","volume":"26","author":"Kavle","year":"2008","journal-title":"J Health Popul Nutr"},{"key":"10.1016\/j.ajogmf.2021.100395_bib0032","series-title":"Pregnancy-related deaths: data from 14 U.S. Maternal Mortality Review Committees, 2008-2017","author":"Davis","year":"2019"},{"key":"10.1016\/j.ajogmf.2021.100395_bib0033","first-page":"402","article-title":"Executive summary and call to action: maternal mortality summit at National Medical Association meeting, July 28, 2019 in Honolulu, Hawaii Obstetrics and Gynecology Section of the National Medical Association","volume":"112","author":"Hill","year":"2020","journal-title":"J Natl Med Assoc"},{"key":"10.1016\/j.ajogmf.2021.100395_bib0034","doi-asserted-by":"crossref","first-page":"143","DOI":"10.1016\/j.ijgo.2011.09.017","article-title":"Raised nitric oxide levels may cause atonic postpartum hemorrhage in women with anemia during pregnancy","volume":"116","author":"Soltan","year":"2012","journal-title":"Int J Gynaecol Obstet"},{"key":"10.1016\/j.ajogmf.2021.100395_bib0035","doi-asserted-by":"crossref","first-page":"219","DOI":"10.1177\/0022034509359125","article-title":"Factors affecting wound healing","volume":"89","author":"Guo","year":"2010","journal-title":"J Dent Res"},{"key":"10.1016\/j.ajogmf.2021.100395_bib0036","doi-asserted-by":"crossref","first-page":"93","DOI":"10.1016\/S0020-7292(02)00225-4","article-title":"Maternal and perinatal outcome in varying degrees of anemia","volume":"79","author":"Malhotra","year":"2002","journal-title":"Int J Gynaecol Obstet"},{"key":"10.1016\/j.ajogmf.2021.100395_bib0037","doi-asserted-by":"crossref","first-page":"707","DOI":"10.1097\/AOG.0000000000002534","article-title":"Health care disparity and pregnancy-related mortality in the United States, 2005-2014","volume":"131","author":"Moaddab","year":"2018","journal-title":"Obstet Gynecol"},{"key":"10.1016\/j.ajogmf.2021.100395_bib0038","doi-asserted-by":"crossref","first-page":"3","DOI":"10.1186\/1742-4755-1-3","article-title":"WHO systematic review of maternal morbidity and mortality: the prevalence of severe acute maternal morbidity (near miss)","volume":"1","author":"Say","year":"2004","journal-title":"Reprod Health"},{"key":"10.1016\/j.ajogmf.2021.100395_bib0039","article-title":"Daily oral iron supplementation during pregnancy","author":"Pe\u00f1a-rosas","year":"2015","journal-title":"Cochrane Database Syst Rev"},{"issue":"Suppl3","key":"10.1016\/j.ajogmf.2021.100395_bib0040","doi-asserted-by":"crossref","first-page":"S21","DOI":"10.1186\/1471-2458-11-S3-S21","article-title":"Effect of routine iron supplementation with or without folic acid on anemia during pregnancy","volume":"11","author":"Yakoob","year":"2011","journal-title":"BMC Public Health"},{"key":"10.1016\/j.ajogmf.2021.100395_bib0041","doi-asserted-by":"crossref","first-page":"762","DOI":"10.15585\/mmwr.mm6835a3","article-title":"Racial\/ethnic disparities in pregnancy-related deaths\u2014United States, 2007-2016","volume":"68","author":"Petersen","year":"2019","journal-title":"MMWR Morb Mortal Wkly Rep"},{"key":"10.1016\/j.ajogmf.2021.100395_bib0042","doi-asserted-by":"crossref","DOI":"10.1016\/j.ajog.2015.08.019","article-title":"Black-white differences in severe maternal morbidity and site of care","volume":"214","author":"Howell","year":"2016","journal-title":"Am J Obstet Gynecol"}],"container-title":["American Journal of Obstetrics & Gynecology MFM"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S2589933321000902?httpAccept=text\/xml","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S2589933321000902?httpAccept=text\/plain","content-type":"text\/plain","content-version":"vor","intended-application":"text-mining"}],"deposited":{"date-parts":[[2025,11,11]],"date-time":"2025-11-11T23:49:16Z","timestamp":1762904956000},"score":1,"resource":{"primary":{"URL":"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/S2589933321000902"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2021,9]]},"references-count":42,"journal-issue":{"issue":"5","published-print":{"date-parts":[[2021,9]]}},"alternative-id":["S2589933321000902"],"URL":"https:\/\/doi.org\/10.1016\/j.ajogmf.2021.100395","relation":{},"ISSN":["2589-9333"],"issn-type":[{"value":"2589-9333","type":"print"}],"subject":[],"published":{"date-parts":[[2021,9]]},"assertion":[{"value":"Elsevier","name":"publisher","label":"This article is maintained by"},{"value":"Maternal anemia and severe maternal morbidity in a US cohort","name":"articletitle","label":"Article Title"},{"value":"American Journal of Obstetrics & Gynecology MFM","name":"journaltitle","label":"Journal Title"},{"value":"https:\/\/doi.org\/10.1016\/j.ajogmf.2021.100395","name":"articlelink","label":"CrossRef DOI link to publisher maintained version"},{"value":"article","name":"content_type","label":"Content Type"},{"value":"\u00a9 2021 Elsevier Inc. All rights reserved.","name":"copyright","label":"Copyright"}],"article-number":"100395"}}