Ferdinand: Insert your card neurontin 800 mg street price cm Yet BPA is too ubiquitous for women to completely avoid, Conry says. That’s why the USA should “shift the burden of proof” from individuals to manufacturers and regulators, who should make sure that pregnant women and others aren’t exposed to hazardous chemicals. She notes that there are about 84,000 chemicals in use today, and 700 others are introduced each year. Women and their doctors can’t be expected to be experts on all of them, she says.