Impact of zinc supplementation during pregnancy on the anthropometric indices of the newborns

AUTHORS

Seyed Ahmad Mahmoudian 1 , * , Reza Rozbehani 2 , Maryam Kheirmand 3

AUTHORS INFORMATION

1 Asistant Professor Department of Community Medicine, Isfahan University of Medical Sciences, Isfahan, Iran.

2 Community Medicine Specialist, Isfahan University of Medical Sciences, Isfahan, Iran.

3 Health Professional, Isfahan University of Medical Sciences, Isfahan, Iran.

ARTICLE INFORMATION

Hormozgan Medical Journal: 12 (3); e88966
Published Online: January 04, 2008
Article Type: Research Article
Received: July 29, 2005
Accepted: January 04, 2008

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Abstract

Introduction: Nutritional status of pregnant mothers is one of the key factors
in fetal growth. Micronutrients including Zinc lead to various biological
consequences on mother and fetus. We therefore investigated the effect of
supplemental zinc sulfate during pregnancy on the newborns weight, height
and head circumference.
Methods: Using a double-blinded controlled clinical trial, 465 pregnant women
from Isfahan province with gestational age of 14-18wks were recruited. 229 as
cases received 50 mg Zinc sulfate daily and 149 as controls obtained placebo
throughout the pregnancy. The subjects regularly were checked up. Statistical
analyses were performed using Chi-Square tests.
Results: Both groups showed similar maternal characteristics. The mean weight,
height and head circumferences of newborn cases were 3.11 kg, 49.82 and 34.17
cm; whereas of controls were 3.09 kg, 49.48 cm and 34.48 cm, respectively. No
significant difference was observed between the indices of growth in both
newborn groups. There was not any significant difference between frequency of
low birth weight (less than 2500 gr) among cases and controls.
Conclusion: No beneficial effect of Zinc supplementation on fetal growth was
observed in our study. The majority of Meta-analysis studies showed similar
results but some not.

Keywords

zinc supplementation - anthropometric indices - pregnancy

© 2008, Hormozgan Medical Journal. This is an open-access article distributed under the terms of the Creative Commons Attribution-NonCommercial 4.0 International License (http://creativecommons.org/licenses/by-nc/4.0/) which permits copy and redistribute the material just in noncommercial usages, provided the original work is properly cited.
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