^This article makes perhaps the most important point of all:
"As you can see, there's no good reason to use petroleum-based products like polyester, PUL or PVC in your child's diapers when natural fibers work so well and pose no health risks."
It certainly requires more effort to go this route when on a budget, but peace of mind over constant worry is priceless. Even the route suggested doesn't truly guarantee 'no risks'--as anyone who uses cloth knows. Factors such as proper treatment of said materials come into play (The ease of bacterial growth, for example, must be handled properly.). But even so, it can be done. With petroleum-based products and carcinogenic monomers--who knows? Go with the tried and true--our babies are certainly worth it!
This post is coming from a daddy who prior to our first baby, bought a sewing machine, learned how to sew, and got busy sewing wool covers* and then my own cotton cloth diapers--with cotton thread (after having started with organic cotton pre-folds). Having diapered my daughter, and soon now another baby, with my own diaper creations adds satisfaction and joy to the peace of mind my wife and I enjoy as a result. Plus, I have to admit that I never get tired of hearing people say, "You made those??"
* I do use polyester thread when sewing together the wool covers--one of my "give-and-takes." Wool covers sewn together this way do not require daily...or even weekly washing due to the lanolized wool, and the repel-ency of the polyester thread. a wool cover sewn together with cotton thread runs the risk of absorbing urine from the soiled diaper, and cannot be left unwashed for days at a time. Of course, there are wool thread$...