Is risk to motor neuron disease influenced by the season of birth?
Months of the birth in 310 cases with motor neuron disease were compared with 244 of their spouses who were used as the controls. Cases were born more often in the spring to summer months and less in the winter months. Birth factors should be carefully evaluated in this disease.
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Fujiki
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D001721:Birth Intervals; D001722:Birth Order; D005260:Female; D006801:Humans; D007564:Japan; D008297:Male; D009046:Motor Neurons / Q000473:pathology*; D009422:Nervous System Diseases / Q000209:etiology* / Q000473:pathology; D010331:Paternal Age; D012307:Risk Factors; D012621:Seasons