Plastic chemicals 'feminise boys'

Chemicals in plastics alter the brains of baby boys making them “more feminine” and uninterested in rough games, say researchers. Males exposed to high doses in the womb went on to be less likely to play with boys’ toys like cars or to join in rough and tumble games, they found. The University of Rochester team’s latest work adds to concerns about the safety of phthalates, found in vinyl flooring and PVC shower curtains. The findings are reported in the International Journal of Andrology. Phthalates have the ability to disrupt hormones, and have been banned in toys in the EU for some years. … Dr Shanna Swan and her team tested urine samples from mothers over midway through pregnancy for traces of phthalates. The women, who gave birth to 74 boys and 71 girls, were followed up when their children were aged four to seven and asked about the toys the youngsters played with and the games they enjoyed. They found that two phthalates DEHP and DBP can affect play behaviour. Boys exposed to high levels of these in the womb were less likely than other boys to play with cars, trains and guns or engage in “rougher” games like playfighting. …

Plastic chemicals ‘feminise boys’