It has been know for quite some time that many synthetic compounds in our foods, cleaning products and other chemicals can affect our health adversely, including fertility.
More recently, non-stick cooking surfaces have been linked to affects in fertility too; "New study finds that women who have trouble getting pregnant are more likely to have high concentrations of certain nonstick-chemical pollutants circulating in their blood than are those who become pregnant within the first month of trying. The suspect compounds — generally known as PFOA and PFOS — are the original primary constituents of Teflon and Scotchguard products." To read more, check out the ScienceNews.Org article