IRCT2015061415649N3 IRCT 2015-08-19 Vice chancellor for research, Tehran University of Medical Sciences The effect of auricular acupressure on nausea and vomiting among pregnant women Determining the effect of auricular acupressure on severity of nausea and vomiting in pregnancy among pregnant women referred to prenatal center of Arash Hospital 2015-07-23 anticipated 128 Complete https://irct.ir/trial/14855 interventional Randomization: Randomized, Blinding: Double blinded, Placebo: Not used, Assignment: Parallel, Purpose: Supportive, Randomization description: Randomized block design with the size of 4 was used for randomization. The random sequence was proposed by a statistical expert and through appropriate software. A total number of 32 blocks of four were prepared and then the samples were assigned to intervention and sham control groups, Blinding description: In order to observe the double-blindness of the study, sham points were used for patients in the sham control group so that individuals were unaware of which group they were assigned to. In addition, the statistics expert was unaware of the fact that which group was real and which were sham. Even those who were in charge of evaluation of the outcomes of the study were also unaware of the assigning of the individuals to real groups. N/A Nausea & vomiting in pregnancy. Intervention 1: In the intervention group, the magnetic seeds with a special adhesive latex will be attached in five effective points of ears for controlling the nausea and vomiting. Then patient will be asked for making pressure on each points for at least 30 seconds, three times a day. Intervention 2: in the control group will be acted the same, but non effective points on nausea and vomiting will be used. No - There is not a plan to make this available Justification or reason for not sharing IPD is No decision has been made by the team at this time.