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Volume 9, Issue 2 (IJEM Vol 9, No. 2 2007) |
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Variation of Urinary Iodine Concentration Within a Month During the First Trimester of Pregnancy in Tehran an Iodine-Repleted Area and Comparison to Non-Pregnant Women
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A. Amozgar   , A. Ordokhani , F. Azizi |
| , atiehamouzegar@yahoo.com |
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Abstract: (23457 Views) |
| Introduction: In order to assess variations of urinary iodine concentration (UIC) during a 4-week period among pregnant and non-pregnant women in an iodine-replete area. Materials and Methods: Pregnant and non-pregnant women referred to two maternity hospitals in Tehran were consecutively recruited from September 2005 to March 2006 urine samples (5–10 mL) were collected on an every-other-day basis for 4 weeks (i.e., 12 samples for each individual). UIC was determined using modified Sandell-Kolthoff method. Results: Thirty-six pregnant and 32 non-pregnant women completed the study. Mean±SD age of pregnant women was 27.4±6.4 and that of non-pregnant women was 27.6±4.5 years (p=0.897). Mean±SD gestational age was 11.0±3.3 weeks in pregnant participants. Median UIC of <100, 100-149, 150-249, and ≥250 µg/L was present in 19.4, 25.0, 30.6, and 25.0% of pregnant, 15.6, 37.5, 34.4, and 12.5% of non-pregnant, and 17.6, 30.9, 32.4, and 19.1% of total individuals, respectively. Median UIC values of sample, numbers 1 to 12 were not significantly different either in pregnant (p=0.591) or in non-pregnant subjects (p=0.745), except for sample number 11, median UIC was not significantly different between pregnant versus non-pregnant women (P values > 0.05). Mean SD value for UIC in samples number 1 to 12 in pregnant women was 138.4 (24.1–404), whereas in non-pregnant women this value was118.0 (29.5-272.4) µg/L (p=0.286). Conclusion: There was a wide intrapersonal variation in UIC values among pregnant and non-pregnant women residing in an iodine-replete area, supporting the notion that casual UIC would not reflect iodine status of the individual. |
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| Keywords: Urinary Iodine, Pregnancy |
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Full-Text [PDF 327 kb]
(4142 Downloads)
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Type of Study: Original |
Subject:
Endocrinology
Received: 2007/10/20 | Published: 2007/09/15
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Amozgar A, Ordokhani A, Azizi F. Variation of Urinary Iodine Concentration Within a Month During the First Trimester of Pregnancy in Tehran an Iodine-Repleted Area and Comparison to Non-Pregnant Women. Iranian Journal of Endocrinology and Metabolism 2007; 9 (2) :205-212 URL: http://ijem.sbmu.ac.ir/article-1-406-en.html
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