<qa>  What is the purpose of this study?The aim of this study is to determine the effect of surgical priority either emergency or elective on postoperative pain in caesarean section operations. Patients whose undergo caesarean section operation are included into this study. Patients will invite to complete the Pain Catastrophizing Scale questionnaire in preoperative period. The patients will be divided into two groups in terms of applied surgical priority whether emergency or elective. After caesarean section, patient controlled analgesia is used for pain relief. And the intensity of pain will be measured by using numerical rating scale. 