Majia here: This data produced by this study indicated that chronic low-dose exposure to radiation from Chernobyl caused increased rates of neural tube-defects and conjoined twins:
Wladimir Wertelecki Malformations in
a Chornobyl-Impacted Region Pediatrics
2010; 125:4 e836-e843; published ahead of print March 22, 2010,
doi:10.1542/peds.2009-2219
Abstract
OBJECTIVE: One of the populations most exposed to chronic low-dose
radiation from Chornobyl (Chernobyl in Russian) lives in Polissia, the region
representing the northern half of Rivne Province (Oblast) in Ukraine. Here the
patterns and population rates of malformations are reported and possible
etiologic factors and regional contrasts are explored.
PATIENTS AND METHODS: Malformations, as defined by international standards, noted
among all 96 438 births in Rivne between 2000 and 2006, were analyzed
statistically. Contrasts of rates in Polissia compared with the rest of Rivne
also were investigated.
RESULTS: The overall rate of neural tube defects in Rivne is among
the highest in Europe (22.2 per 10 000 live births). The rates of conjoined
twins and teratomas also seem to be elevated. In Polissia, the overall rates of
neural tube defects are even higher (27.0 vs 18.3, respectively; odds ratio:
1.46 [95% confidence interval: 1.13–1.93]), and the rates of microcephaly and
microphthalmia may also be elevated.
CONCLUSIONS: The malformation patterns observed suggest early
disruptions of blastogenesis, manifesting as alterations of body axes,
twinning, duplications, laterality, and midline formation. The results are
sufficiently compelling to justify continuing and expanding this investigation
of malformations in chronic low-dose radiation-impacted regions of Ukraine.
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