Researchers referred to counseling centers, midwifery and health centers Society of Medical Sciences Qom after introducing his plan, sufficient information on the research, such as research, study objectives, criteria for inclusion and exclusion criteria, how to how to conduct the study in pregnant women explained. Individuals willing to participate in the research and have criteria for entering the study are referred to the researcher and are informed by the informed consent and informed by a continuous and available sampling method.The samples were then randomly assigned (Permuted-Block Randomization) to two intervention and placebo groups as follows.
That all possibilities for placement of the letters A and B will be considered in four blocks that make up a total of 6 modes. The 6 modes are numbered 1 to 6 and the number of 4 blocks required will be determined based on the number of sample cases. Then the required number of blocks, random number based on random numbers table will burst row, the top 6 numbers will not be considered. Finally, based on the order of the numbers extracted from the table, the blocks for each number will be listed, respectively, and when each instance is entered into the study, each person will take a specific word in order. For example, in the order of (AABB / AABB), the 5th person will be in Group B.Randomly, half the people of each block are placed in one group and the other half in the other group. In this study, we want to place 90 people in two groups of 45 patients in the field of auriculotherapy and placebo.