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Change in sex ratio at birth in Sardasht (north west of Iran) after chemical bombardment
  1. Mostafa Saadat
  1. Correspondence to:
 Dr Mostafa Saadat
 Department of Biology, College of Sciences, Shiraz University, Shiraz 71454, Iran; saadat{at}

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About 18 years ago (on 27 July 1987), Saddam’s regime ordered a chemical weapons attack on a Kurdish small city, Sardasht (west Azarbaijan province, north west of Iran). It is estimated that more than a third of city’s population were exposed to the toxic chemical. The annual number of live births by sex for the period 1362–82 Hejirae-Shamshi (HS) (Iranian calendar; equal to 20 March 1983 to 19 March 2004) was obtained from the annual publications of the Statistic Centre of Iran. The sex ratio at birth (SRB) was expressed as the male proportion. The odds ratio (OR) was calculated. An OR>1.0 shows an increase and an OR<1.0 shows a decrease in …

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  • Funding: this study was supported by Shiraz University