The relationship between maternal anemia during pregnancy with preterm birth: a systematic review and meta-analysis

Rahmati, Shoboo; Azami, Milad; Badfar, Gholamreza; Sayehmiri, Kourosh

doi:10.1080/14767058.2018.1555811

Cited by 103 publications

(92 citation statements)

References 26 publications

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“…If not treated or managed, low blood iron level may increase the risk of reduced gestation age, low birth weights, restricted fetal growth, development of sepsis soon after birth with high chances of maternal and infant deaths. 14,15 In this study, there were 7.4% cases of anaemia which is closely comparable with studies in Ethiopia 9.7%, 16 Sudan 10%, 17 and Ethiopia 11.6%. 18 The prevalence is lower than the worldwide prevalence of anemia in pregnancy that has been estimated at 40.1%.…”

Section: Prevalence Of Anemiasupporting

confidence: 86%

<p>Prevalence, Morphological Classification, And Factors Associated With Anemia Among Pregnant Women Accessing Antenatal Clinic At Itojo Hospital, South Western Uganda</p>

Okia¹,

Aine²,

Kiiza³

et al. 2019

JBM

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The study aimed to determine the prevalence, morphological classification, and risk factors of anemia among pregnant mothers attending antenatal clinic at Itojo hospital, Ntungamo district, southwestern Uganda. Patients and methods: After obtaining an informed consent, 5mL of blood was collected from the vein of each participant for complete blood count (CBC) and peripheral film report. The CBC was performed using HumaCount 80 hematology analyzer (HUMAN Gesellschaft für Biochemica und Diagnostica mbH Max-Planck-Ring 21 65,205 Wiesbaden Germany). Peripheral blood smears were made and stained using Wright's Romanowsky stain and examined under ×1000 magnification for morphological classification of anemia. Structured questionnaires were administered to each participant to collect information on patients' demography and risk factors of anaemia in pregnancy. The data generated were prepared in EXCEL and later transferred to SPSS version 20 for analysis. Univariate logistic regression and multivariate logistic regression were used to evaluate the association of socio-demographic characteristics of the participants with anemia. A 95% confidence level was used and statistical significance was reached at p<0.05. Results: One hundred and sixty-three participants (n=163) were recruited for the study with the median age of 25 years and range of (17 to 40 years). The overall prevalence of anemia was 12 (7.4%), the morphological classification was 1 (8.3%) normocytic normochromic anemia, 6 (50%) microcytic hypochromic anemia, and 5 (41.7%) macrocytic anemia. Spouse occupation (p=0.03), household income (p=0.04), use of insecticide-treated mosquito nets (p=0.001), history of urinary tract infection (p=0.002), use of haematinics (p≤0.001), and history of postpartum hemorrhage (p=0.03) were significantly associated with anemia in pregnancy. Conclusion: Despite the reported high prevalence of anemia in pregnancy in other areas within the country, anemia prevalence was low in this study. Routine screening for anemia at all antenatal care clinics countrywide is recommended.

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Section: Prevalence Of Anemiasupporting

confidence: 86%

<p>Prevalence, Morphological Classification, And Factors Associated With Anemia Among Pregnant Women Accessing Antenatal Clinic At Itojo Hospital, South Western Uganda</p>

Okia¹,

Aine²,

Kiiza³

et al. 2019

JBM

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“…In fact, maternal IDA increases the risk of prematurity [11,12], fetal intrauterine growth restriction [11,13], developmental delay [14] and perinatal mortality [12,13]. The risks associated with anemia in pregnancy correlate best with hemoglobin levels tested in the first trimester, prior to significant plasma expansion [15].…”

Section: (Continued From Previous Page)mentioning

confidence: 99%

The contribution of iron deficiency to the risk of peripartum transfusion: a retrospective case control study

VanderMeulen

Strauss

Lin

et al. 2020

BMC Pregnancy Childbirth

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Background: Iron deficiency in pregnancy is associated with inferior maternal and fetal outcomes. Postpartum depression, prematurity, intrauterine growth restriction, impaired childhood cognition and transfusion are all sequelae of maternal iron deficiency anemia. Transfusion to women of childbearing age has important consequences including increasing the risk of hemolytic disease of the fetus and newborn with future pregnancies. The relative contribution of iron deficiency to transfusion rates in the peripartum period is unknown. This study aimed to identify the prevalence of iron deficiency and anemia in pregnant women that received peripartum transfusions relative to age-matched non-transfused controls. Methods:We performed a retrospective case-control study of all women that were transfused in the peripartum period from January, 2014 to July, 2018. Cases were compared to the next age matched control to deliver at our institution. The primary objective was to determine the proportion of patients with iron deficiency in pregnancy or anemia in pregnancy in cases and controls. Charts were reviewed for predisposing risk factors for iron deficiency, laboratory measures of iron deficiency and anemia, iron supplementation history and maternal and fetal outcomes. Factors associated with peripartum transfusion were analyzed using a multivariate logistic regression.Results: 169 of 18, 294 (0.9%) women were transfused in the peripartum period and 64 (44%) of those transfused received 1 unit. Iron deficiency or anemia were present in 103 (71%) transfused women and 74 (51%) control women in pregnancy (OR 2.34, 95% CI: 3.7-18.0). Multivariate analysis identified social work involvement (adjusted OR 4.1, 95% CI: 1.8-10.1), intravenous iron supplementation in pregnancy (adjusted OR 3.8, 95% CI: 1.2-17.4) and delivery by unscheduled cesarean section (adjusted OR 2.8, 95% CI: 1.3-6.2) as significant predictors of peripartum transfusion.(Continued on next page)

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“…For example, a study conducted by Rahmati estimated the prevalence of anemia 19.6% in the first trimester, 10.1% in the second trimester and 16.1% in the third trimester of pregnancy. 6 Anaemia during pregnancy is considered when hemoglobin level is <110 g/dl before 12 weeks or <105 g/dl beyond 12 weeks gestation. 7 Anaemia in pregnancy causes several effects on the mothers and fetus result into high maternal morbidity and mortality.…”

Section: Introductionmentioning

confidence: 99%

Prevalence and obstetric factors associated with anaemia among pregnant women, attending antenatal care in Unguja island, Tanzania

Ali

Ngowi

Gibore

2019

Int J Community Med Public Health

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Background: Anaemia in pregnancy remains a major health problem with adverse maternal and fetal outcome worldwide, especially in developing countries such as Tanzania. The study aimed to establish prevalence and obstetric factors associated with anaemia among pregnant women attending antenatal care visits in Unguja Island, Tanzania.Methods: This cross sectional survey used systemic random sampling in three hospitals of Unguja Island to select 388 pregnant women. Demographic and obstetric characteristics of respondents were collected using a structured questionnaire. Hemoglobin levels were measured by using Hemocue machine. Multivariate logistic regression analysis was carried out in SPSS version 21.0 to measure obstetric factors associated with anaemia among pregnant women.Results: The overall prevalence of anaemia among pregnant women was 80.8%, whereby 68.64% of respondents had mild anaemia, 11.24% had moderate anaemia and 0.89% had severe anaemia. The factors associated with anaemia in pregnancy were gravidity, (AOR= 1.185, 95% CI=0.317-4.338, p<0.001), irregular taking of iron tablets (AOR=0.288, 95% CI=0.149-0.556, p<0.001) and age of the child <2 years, (AOR 3.635, 95% CI= 1.103-11.882, p<0.034).Conclusions: The prevalence of anaemia among pregnant women in Unguja is high. Timely and regular intake of iron tablets during pregnancy, child spacing as well as having children within the capacity of parents to raise them up may significantly reduce the prevalence of anaemia in pregnancy. Therefore health education on family planning and the importance of taking of iron tablet is critical.

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The relationship between maternal anemia during pregnancy with preterm birth: a systematic review and meta-analysis

Cited by 103 publications

References 26 publications

<p>Prevalence, Morphological Classification, And Factors Associated With Anemia Among Pregnant Women Accessing Antenatal Clinic At Itojo Hospital, South Western Uganda</p>

<p>Prevalence, Morphological Classification, And Factors Associated With Anemia Among Pregnant Women Accessing Antenatal Clinic At Itojo Hospital, South Western Uganda</p>

The contribution of iron deficiency to the risk of peripartum transfusion: a retrospective case control study

Prevalence and obstetric factors associated with anaemia among pregnant women, attending antenatal care in Unguja island, Tanzania

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