很多人都知道孕期应尽量减少接触BPA（比如塑料制品），所以现在BPA-free的塑料制品很多，但这个Proceedings of the National Academy of Sciences研究发现BPA替代品BPS同样影响大脑发育，BPA free制品也不一定安全。作者建议孕期，尤其中期，尽量减少接触塑料制品以及购物的收据条receipts（打印纸镀了BPA/BPS）。
Pregnant women are being warned to avoid reaching for credit card and cash register receipts as the ubiquitous bits of paper are increasingly seen as a threat to unborn children. The receipts can contain the toxin bisphenol A and its chemical cousin bisphenol S, chemicals that a new study shows can alter brain development and behaviour in animals exposed to extremely low doses.
