Auriculotherapy effects in the treatment of nausea and vomiting in pregnant women

INTERVENTION: E02.190.044.133 E02.190.204 There will be two groups of pregnant women: intervention group with 28 women and control group with 28 women, totalizing 56 participants in the study. Participants will be informed about the research objective, treatment time and possible effects of acupuncture at the time of the approach to participate in the research. Then, in a closed room, they will be interviewed with questions related to the sociodemographic, clinical and obstetric profile, in addition to being assessed for the intensity and frequency of nausea and vomiting using the Rhodes Index of Nausea, Vomiting and Retching (RINVR) scale. On the same day, after the interview, the pregnant woman will be allocated to the random number as a control or non‐control determined by the table according to the order of attendance of the day; the auriculotherapy session or the placebo will be performed according to the table already mentioned, prepared by third parties, not involved in the study. In the office, the pregnant woman will be invited to sit down, then she will start the physical examination procedure in auriculotherapy. Inspection will be carried out looking for injuries at the points of interest, followed by palpation of the points in search of more sensitive sites. Before applying the seeds, the ear will be cleaned with 70% alcohol; with a dry ear, mustard seeds will be applied, previously packed in an auriculotherapy plate, covered with beige microporous tape. The researcher was trained in Auriculotherapy in September 2019 with an emphasis on Traditional Chinese Medicine, taught by a professional specializing in Traditional Chinese Therapies and a member of the Brazilian Association of Acupuncturist Nurses and Integrative Practices. The choice of points was made based on the knowledge acquired in th CONDITION: K00‐K93 Nausea, Vomiting, Pregnancy. PRIMARY OUTCOME: The assessed primary outcome is the reduction of nausea and vomiting in at least 50% after intervention, it will be assesed with the Rhodes Index for Nausea, Vomiting and Retching. SECONDARY OUTCOME: Possible adverse effects will be evaluated as secondary outcome, they will be measured from their incidence; adverse effects may be: pain in treatment points, pruritus in treatment points, temperature increase on a specific auricular point. INCLUSION CRITERIA: Among the pregnant womenat 13 weeks or less of gestational age, the ones with complaints of nausea and/or vomiting, that are not in use of antiemetic drugs, that are characterized as low risk pregnancy and have availability for return in 7 days will be assessed.