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:: Volume 5, Issue 4 (12-2015) ::
Iran J Ped Hematol Oncol 2015, 5(4): 211-217 Back to browse issues page
Maternal Hemoglobin Levels during Pregnancy and their Association with Birth Weight of Neonates
F Moghaddam Tabrizi Dr , S Barjasteh Mrs
Abstract:   (1072 Views)

Back ground

Anemia in pregnancy is associated with increased rates of maternal and perinatal mortality, premature delivery, low birth weight, and other adverse outcomes

Materials and Methods

A prospective study was conducted on 1405 Iranian pregnant women who delivered during 2015. Blood was collected from all the subjects to measure the hemoglobin (Hb) during 16-19 weeks, 22-24 weeks, and 34-36 weeks of gestation. According to the level of hemoglobin, it is divided into 4 groups. Group 1 Hb > 10.1 gm/100ml (control group), Group 2 Hb= 8.1-10 gm/100ml (mild anemia) Group 3 Hb= 6.5-8 gm/100ml (moderate anemia) Group 4 Hb <6.5 gm/100ml (severe anemia). After delivery, the neonates were weighted within 24 hours after birth. Maternal hemoglobin and birth weights were compared.


The anemia prevalence was 20.2%

(Hb<10g/dl). Out of them, 16.2 % hadmoderate anemia (Hb=6.5-8 g/dl) and 83.8% had mild anemia (Hb=8.1-10 g/dl). Severe anemia did not detect in pregnant women. The hemoglobin levels in non anemic group showed a drop in the second trimester. Pregnant women with hemoglobin less than 10 g/dl, considered as anemic gave birth to neonates with birth weight of 2.6kg, while pregnant women with higher hemoglobin level (>10 g/dl), considered  as normal gave birth to heavier and normal babies (3.3 kg). The severity of anemia during three trimesters was closely associated with birth weight of newborns.


The low hemoglobin values during three trimesters of pregnancy were associated with low birth weight in Iran. The anemia can lead to intra uterine growth retardation.

Keywords: Hemoglobin Level, Birth Weight, Pregnancy
Full-Text [PDF 94 kb]   (645 Downloads)    
Type of Study: Research | Subject: Special
Received: 2015/12/1 | Accepted: 2015/12/1 | Published: 2015/12/1
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Moghaddam Tabrizi F, Barjasteh S. Maternal Hemoglobin Levels during Pregnancy and their Association with Birth Weight of Neonates. Iran J Ped Hematol Oncol. 2015; 5 (4) :211-217
URL: http://ijpho.ssu.ac.ir/article-1-228-en.html

Volume 5, Issue 4 (12-2015) Back to browse issues page
Iranian Journal of Pediatric Hematology and Oncology
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