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BACKGROUND The ratio of male to female offspring at birth may be a simple and non-invasive way to monitor the reproductive health of a population. Except in societies where selective abortion skews the sex ratio, approximately 105 boys are born for every 100 girls. Generally, the human sex ratio at birth is remarkably constant in large populations. After(More)
 Risk assessment – qualification and quantification of risks  The focus in this presentation is on ionizing radiation (IR) and possible radiation induced changes in the human sex odds at birth (SO) near Nuclear Facilities (NF)  Traditionally, the SR is the pertinent term for the number of newborn boys divided by the number of newborn girls SR =(More)
INTRODUCTION The male:female ratio at birth (male births divided by total live births - M/T) has been shown to increase in response to ionizing radiation due to gender-biased fetal loss, with excess female loss. M/T rose sharply in 1987 in central-eastern European countries following the Chernobyl accident in 1986. This study analyses M/T and births for the(More)
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