A new study undermines the long-held belief among obstetricians that oxygen deprivation, or hypoxia, is the main cause of cerebral palsy in premature infants. The study, published in the October issue of The American Journal of Obstetrics & Gynecology, found that the brain injury that leads to cerebral palsy was much more commonly associated with infection than with hypoxia. The new findings, said Dr. Ernest Graham, an assistant professor in the department of obstetrics and gynecology at Johns Hopkins and the lead author of the study, have important implications for both research and clinical practice. "This changes our thinking," Dr....