Chronic Headache and Chronic Backache Following Unintentional Dural Puncture at Delivery Room.

he study is a telephone questionnaire. The study will include 400 women, 100 in each group. OBJECTIVE: To investigate the prevalence of chronic and chronic back pain following PDPH accidental dural puncture during epidyral analgesia for delivery. 1. Parturients who gave birth to a normal birth and did not receive epidural anesthesia. 2. Parturients who gave birth to a normal birth with epidural anesthesia without an unintentional dural puncture. 3. Parturients who gave birth to a normal birth with epidural anesthesia and had an unintentional dural puncture, these women were treated conservatively. 4. Parturients who had a normal birth with epidural anesthesia and had an unintentional dural puncture and were treated with a blood patch following PDPH.