IRCT2017050333794N1 IRCT 2017-06-05 Vice Chancellor for Research and Technology of Hamadan University of Medical Sciences Cardamom aromatherapy on the women's nausea and vomiting in Cesarean Section operation Effects of Cardamoms Inhalation Aromatherapy on the Mothers' Nausea and Vomiting in Peri & Post-Operation of the Elective Cesarean Section 2017-05-22 anticipated 70 Complete https://irct.ir/trial/25980 interventional Randomization: Randomized, Blinding: Single blinded, Placebo: Used, Assignment: Parallel, Purpose: Supportive. N/A Cesarean section. Intervention 1: The two 2 "× 2" gas-Pad will be moistened with 2 ml of distilled water put in the zipper plastic bags in a separate room every day. During surgery after mother's expressing nausea, the onset nausea severity based on the VAS will be recorded. Then, the mothers will be asked to breathe deeply three times of the distilled water soaked pads. Again, two minutes later, the same breathing patterns will be repeated. The severity of subjects' nausea based on the VAS will be measured and recorded after five minutes. The frequency of their retching and vomiting during surgery, recovery and two hours after the operation will be assessed in both groups. Intervention 2: The two 2 "× 2" gas-Pad will be moistened with 2 ml of of distilled water with 2 drops of essential oil of cardamom put in the zipper plastic bags in a separate room every day. During surgery after mother's expressing nausea, the onset nausea severity based on the VAS will be recorded. Then, the mothers will be asked to breathe deeply three times of the oil of cardamom soaked pads. Again, two minutes later, the same breathing patterns will be repeated. The severity of subjects' nausea based on the VAS will be measured and recorded after five minutes. The frequency of their retching and vomiting during surgery, recovery and two hours after the operation will be assessed in both groups.