The Effect of Radiation on Secondary Sex Ratio among Radiologists in Shiraz, Iran

  • سال انتشار: 1396
  • محل انتشار: فصلنامه بهداشت، ایمنی و محیط زیست، دوره: 5، شماره: 3
  • کد COI اختصاصی: JR_IJHSE-5-3_005
  • زبان مقاله: انگلیسی
  • تعداد مشاهده: 745
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نویسندگان

Mahnaz Yadollahi

Trauma Research Center, ShahidRajaee (Emtiaz) Trauma Hospital, Shiraz University of Medical Sciences, Shiraz, Iran

Mohammad Farahmand

Department of Radiology, Shiraz University of Medical Sciences, Shiraz, Iran

Mehrdad Karajizadeh

Human Resources Research Center, School of Management & Information Sciences, Shiraz University of Medical Sciences

Haleh Ghaem

Research Center for Health Sciences, Epidemiology Department, School of Health, Shiraz University of Medical Sciences, Shiraz, Iran

چکیده

Environmental and occupational exposure may play a role in gender offspring. This study aimed to investigate the effect of radiation on gender ratio in the offspring of radiologists and technicians. This cross-sectional study was conducted on 262 participants with a total of 354 children. A data collection form including age, years spent in radiology practice, number of children, sex of each child, observance of radiation protection principles, and intensity of exposure based on International Commission Radiological Protection was completed. Male to female ratio was calculated 0.85 in fathers and 0.75 in mothers in comparison to this ratio estimated in Iran demographic statistics sex ratio which is 1.03. Highly-exposed parents (Prevalence ratio [PR]: 1.67, 95% confidence interval [CI]: 1.11-2.52), as well as fathers (PR: 2.72, 95%CI: 1.56-4.72), had a significant propensity to have female offspring. However, this criterion in female radiologists was not found to be significant (P= 0.57). Moreover, in fathers a significant relationship was found between the years spent in radiology field up to the time of the child’s birth or age of the parents’ at child’s conception with offspring gender (4-6 year: PR: 2.07, 95% CI: 1.15-3.72; ≥7 year: PR:1.81, 95%CI: 1.18-2.78). Highly-exposed radiology male personnel, as well as those exposed to radiation 4 years or more before the offspring’s birth, were more likely to have daughters than sons. Although no exact mechanism has been identified for this preponderance, further animal studies are required to evaluate whether x ray is an influential factor in offspring gender.

کلیدواژه ها

Paternal Exposure; Sex Ratio; Radiation; Radiology

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