Published online by Cambridge University Press: 28 April 2021
The standard of care with regard to any new medical technology develops slowly. Attitudes must change, and equipment must be purchased, installed and utilized. Technical problems must be resolved and protocols established. Advances are better understood and more aggressively pursued by some physicians than others, with a consequent disparity in implementation. Electronic fetal monitoring (EFM) is an example of such a technology. Little known to obstetricians 15 years ago, EFM has been accepted by practitioners widely and rapidly. Today, armed with guidelines from the American College of Obstetricians and Gynecologists (ACOG) and the recommendations of the National Institutes of Health (NIH), we monitor with EFM most obstetrical patients during labor and almost all high-risk patients before labor. While the practice or custom of a majority of obstetricians does not necessarily define the standard of care, the use of EFM for fetal surveillance during labor represents the prevailing medical and legal standard of care.