How many are there in a book? metaxalone oxycodone interaction The work is not nearly enough to prove a link, but it adds to "the biological plausibility" that BPA might affect fertility and other aspects of health, said Linda Giudice, a California biochemist who is president of the American Society for Reproductive Medicine. The study was to be presented Monday at the group's annual conference in Boston. Last month, ASRM and an obstetricians group urged more attention to environmental chemicals and their potential hazards for pregnant women.