IRCT2016072310426N12 IRCT 2016-07-28 Hamadan University of Medical Sciences The effect of lavender aromatherapy on anxiety of primiparous women during first stage of labor In Fatemieh Hospital Hamadan city The effect of lavender aromatherapy on anxiety of primiparous women during first stage of labor 2016-08-22 anticipated 70 Complete https://irct.ir/trial/10935 interventional Randomization: Randomized, Blinding: Single blinded, Placebo: Used, Assignment: Parallel, Purpose: Treatment. N/A Aromatherapy with lavender on anxiety in labor ; Pregnancy-related condition, unspecified. Intervention 1: In intervention group: After obtaining written testimonial from people, The samples will be selected by randomization blocks with six blocks (ABABA) method to two experimental and control groups. Lavender essential oil produced from BarijEsanse company will give to mothers in the intervention. Researcher will be poured a drop of lavender oil with concentration of 2% (under the supervision of pharmacist) on fabric napkins. Napkins attach with pin to dress collar, Then Will be requested from mother breathing normally for 15 minutes. Researcher will be measured and recorded apparent and hidden anxiety in the experimental group before and after 15, 60 and 90 minutes after the intervention by Spielberger State and Trait questionnaire (STAI). Intervention 2: In control group: Mothers in the control group to be delivered placebo (water) in a bottle as same as intervention group . Research assistant will be poured a drop of placebo (water) on fabric napkins for mothers in the control group. Napkins attach with pin to dress collar, Then Will be requested from mother to breathing normally for 15 minutes. Researcher will be measured and recorded apparent and hidden anxiety in the experimental group before and after 15, 60 and 90 minutes after the intervention by Spielberger State and Trait questionnaire (STAI).