To Study and Evaluate the Effectiveness of Treatment by Percutaneous Electrical NeuroStimulation (PENS) for Post-operative Pain in Cesarean Section Patients Using Primary Relief v 2.0

The test product or device called Primary Relief v 2.0 will be used for the study. The study will be conducted for a period of two to three months with the treatment period of 3 - 4 days i.e single treatment (installation). The additional time taken will be to define the characteristics of the patient population and to recruit appropriate patients. Finally, there will be a data analysis and report writing period. Overall, the study is expected to 3 months. The device will be placed onto the auricle part of the ear for percutaneous electrical nerve stimulation.

A control group, receiving a standard treatment as follows: primary choice of analgesic was intravenous paracetamol, 1 gram, and if the pain relief was inadequate, diclofenac inj. If pain persisted in spite of these measures, 50 mg tramadol was administered intravenously