IRCT20141222020401N7 IRCT 2020-01-05 Yasouj University of Medical Sciences The effect of chamomile aromatherapy with and without oxygen on severity of pain, bloating and nausea in women after cesarean section with spinal anesthesia. The effect of chamomile aromatherapy with and without oxygen on severity of pain, bloating and nausea in women after cesarean section with spinal anesthesia. 2020-01-05 anticipated 136 Complete https://irct.ir/trial/42769 interventional Randomization: Randomized, Blinding: Single blinded, Placebo: Not used, Assignment: Factorial, Purpose: Prevention, Randomization description: The randomized block allocation method with standard 4-person blocks was used and the subjects were divided into 3 intervention groups and one control group, with labels A, B, C, D on four sheets and and oxygen interventions. Aromatherapy, oxygen therapy, aromatherapy and control were also written on four separate sheets, and a colleague who was unaware of this was asked to randomly remove a label for each intervention. In this way we had four random groups and four factorial twenty-four blocks. The size of each block was four and their order was different. Then the blocks were randomly assigned by placement and the patients were sorted. Each block of patients was assigned randomly, Blinding description: Due to the smell of chamomile, it was not possible to blind the researcher and participants, but the analyst has no information about the type of intervention related to each data. N/A pain, nausea and distention of women in post Cesarean section with spinal anesthesia. Intervention 1: Intervention of chamomile aromatherapy with oxygen (chamomile essential oil from Zardband Company) is given to patients about the general purpose of the research and informed consent is obtained from them and their spouse. Training on collecting these samples is required to collect information and a baseline questionnaire including demographic and morphometric information is collected. On the day that is selected as intervention day 1, patients in the intervention group will be rubbed with a patch test on a wrist (patch test) and covered with a cloth for 2 minutes to determine if they are allergic. Delete the study.In this intervention group, a drop of chamomile essential oil plus distilled water is poured into a small nebulizer that attaches to the facial mask and adjusts to 6 liters per minute (28), which is a drop of essential oil when entering the women's ward. Chamomile with distilled water is poured into a small nebulizer attached to the face mask and oxygen is adjusted for 6 liters per minute (delay test(At 6, 6.30 and 7 hours after the operation, the mask is applied to the patient's face for 5 minutes each time. 5-12 liters per minute with a simple mask can deliver 35-50% oxygen to the patient. Intervention 2: Dual Oxygen Intervention alone, Double Intervention at the same time will receive 6 liters of oxygen per minute with simple face mask without aromatherapy chamomile. Intervention 3: Intervention group: Intervention third chamomile aromatherapy alone, Intervention group three will receive chamomile aromatherapy at the same time after sensitization test with oxygen nebulizer. Intervention 4: The control group did not receive oxygen and aromatherapy chamomile. Undecided - It is not yet known if there will be a plan to make this available Justification or reason for indecision in sharing IPD is A decision will be made after the article is published.