<s>[INST] Briefly and concisely explain what placenta previa is and include one priority action to take as a nurse when managing a patient with this disorder [/INST] Placenta previa is a pregnancy complication where the placenta is located near or covers the cervical opening, making vaginal delivery unsafe. As a result, the fetus needs to be delivered via a cesarean section.

As a nurse, a priority action when managing a patient with placenta previa is to monitor for any vaginal bleeding, which could indicate a more severe form of the condition or the start of labor. If bleeding occurs, the patient should be immediately assessed and transferred to a healthcare facility capable of managing obstetrical emergencies.</s>\ <s>[INST] What does "obstetrical emergencies" entail? [/INST] The processes associated with childbirth in regards to an emergency setting which could include the risk of a premature birth, the loss of a baby or increased risk to the woman’s health. 
Hospital care is needed for all obstetric emergencies, as the woman may need specialist care and an extended hospital stay.</s>