Bisphenol a (bpa) is an aromatic compound that has been used in resins found in baby bottles and children's cups. what is the structure of bpa and why have concerns been raised about its presence in baby products? what other products contain resins made with bpa? what is the current status of fda regulations on the use of bpa in consumer products? what alternatives are now used in place of bpa in baby products? be as specific as possible, and include chemical structures when they are known.