"Even in adults, exposure to chemicals, such as bisphenol A, which are thought to affect fertility, can have a negative effect"

BPA is very common in paper receipts you get when buying stuff from the store. A study in JAMA showed that for people who handle receipts often, it is detectable in urine:

http://www.newsweek.com/youre-absorbing-bpa-your-receipts-st...