This document provides information on various obstetrical emergencies presented in a seminar, including definitions, symptoms, diagnosis, management, and nursing considerations. Vasa previa is defined as blood vessels from the umbilical cord or placenta crossing the cervix without Wharton's jelly covering. Symptoms include vaginal bleeding. Diagnosis is via color Doppler and emergency c-section is required if membranes rupture. Amniotic fluid embolism causes pulmonary vasospasm and coagulopathies. Symptoms include respiratory distress and hemorrhage. Management focuses on hemodynamic support and delivery. Other emergencies discussed include obstetric shock, cord prolapse, and uterine inversion.