Effect of behavioral therapy on nausea and vomiting in pregnancy

INTERVENTION: Behavior Control group: Getting routine pregnancy care, including common medications for the control of nausea and vomiting during pregnancy (if prescribed by a doctor) Intervention 1: Intervention group: 6 sessions of behavior therapy for 2 weeks (each session for 50 minutes) are arranged for the intervention group, and techniques such as self‐monitoring, relaxation, stimulant control, systematic desensitization to pregnant women are trained. Intervention 2: Control group: Getting routine pregnancy care, including common medications for the control of nausea and vomiting during pregnancy (if prescribed by a doctor). Intervention group: 6 sessions of behavior therapy for 2 weeks (each session for 50 minutes) are arranged for the intervention group, and techniques such as self‐monitoring, relaxation, stimulant control, systematic desensitization to pregnant women are trained. CONDITION: Excessive vomiting in pregnancy Nausea and vomiting in pregnancy. ; Excessive vomiting in pregnancy PRIMARY OUTCOME: Nausea, Vomiting and Gagging in Pregnancy. Timepoint: Pre‐intervention, Immediately and 1 Month after intervention. Method of measurement: Modified Pregnancy Unique Quantification of Emesis (PUQE) Score. INCLUSION CRITERIA: INCLUSION CRITERIA:Satisfaction to participate in the study; Moderate and severe nausea and vomiting, according to Modified Pregnancy Unique Quantification of Emesis (PUQE) Score; 6‐12 weeks pregnancy; Single pregnancy; Reading and writing literacy. Exclusion criteria:The history of receiving any psychotherapy in the past 6 months; molar pregnancy; Digestive disorders such as gastric ulcer and duodenal ulcer; mothers with high risk pregnancies such as spotting and bleeding; Mothers who are Candidate for Cercelag's; Major psychiatric disorder such as depression and anxiety; hospitalized pregnant women; hearing impairment; receiving other complementary therapies for the treatment of nausea and vomiting (herbal remedies such as ginger, acupressure, acupuncture).