ACOG Committee Opinion #328: patient safety in the surgical environment.

Ensuring patient safety in the operating room begins before the patient enters the operative suite and includes attention to all applicable types of preventable medical errors (including, for example, medication errors), but surgical errors are unique to this environment. Steps to prevent wrong-site, wrong-person, or wrong-procedure errors have been recommended. Prevention of surgical errors requires the attention of all personnel involved in the patient's care.