Every medical or surgical specialty has emergencies that are somewhat specific to that specialty. This is also true in obstetrics and gynecology. However, several characteristics set the specialty of Ob/Gyn apart from all others. Not only can nearly all of the emergencies seen in other specialties be seen in the field of Ob/Gyn, but pregnancy also brings a new and unique dimension to emergency situations in our specialty. Three primary characteristics of Ob/Gyn set it apart from other fields of medicine when it comes to emergencies: (1) it is the only specialty committed completely to women; (2) it is the only specialty in which a single emergent event.