Scientists have found preliminary evidence that exposure to hairspray during the first three months of pregnancy increases the risk of a common genetic deformity in baby boys.
The team found that the risk of hypospadias - a defect in which the urinary opening forms on the underside of the penis - increased from 4 in 1,000 boys to 9.6 in 1,000 when the mother was exposed to hairspray during her work.
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