Abstract
BackgroundZinc is an essential element for normal embryogenesis and embryonic and neonatal development. Therefore, we compared the birth weights of neonates born to mothers who consumed zinc supplement during pregnancy with that of neonates born to mothers who did not.MethodsIn a cross-sectional study, we divided 200 pregnant mothers into two groups: case group (mothers receiving zinc supplement during pregnancy) and control group (mothers not receiving zinc supplement during pregnancy) Then, the neonate’s cord zinc level and mother’s serum level were measured and neonate’s growth charts (weight, height and head circumference)were completed.ResultsIn this study, both groups of mothers were observed to have zinc deficiency; 35% of the mothers who consumed zinc supplements and 81% of the mothers who did not consume zinc supplements (P < 0.001). Based on the results, maternal serum of zinc (P < 0.001), neonatal birth weight (P = 0.008), maternal age (P < 0.001) and parity (P < 0.01) in zinc-supplemented group were higher. Neonatal birth weight was associated moderately with mother’s zinc serum levels and poorly with neonatal serum zinc levels.ConclusionZinc consumption during pregnancy increases serum zinc level of mother and neonatal weight. Neonatal weight has a higher correlation to maternal serum zinc level.
Highlights
Zinc is an essential element for normal embryogenesis and embryonic and neonatal development
Serum zinc levels in 60% of mothers and 33% of neonates were less than 60 μg / dl
Eighty-one percent of mothers who had not consumed zinc supplement during pregnancy had zinc deficiency, while 35% of mothers consuming zinc supplement had deficiency during pregnancy (P < 0.001).Zinc deficiency was seen in 31 % of neonates of mothers who had not consumed zinc supplement during pregnancy, and in 28% of neonates of mothers who had consumed zinc supplement during pregnancy (P = 0.221)
Summary
Zinc is an essential element for normal embryogenesis and embryonic and neonatal development. Birth weight is one of the major determinants of the future development of a child’s growth, both physically and neurologically, a valid indicator of intrauterine growth, and an important indicator of neonate health [1]. It is considered a factor in measuring pregnancy. Walt et al stated that providing nutritional supplements during pregnancy is essential for fetal growth, and that deficiencies in vitamins and minerals, especially folic acid, vitamin B12, calcium, iron and zinc, are associated with adverse pregnancy outcomes and has negative side effects on fetal health, growth and development [9]. Zinc consumption in newborns has not been shown to decrease the incidence and severity of jaundice [11]
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