Objective: This study aimed to compare the effects of aromatherapy with lavender and Entonox gas on labor pain.

Methods: This clinical trial was a double-blind randomized in which 72 primiparous women. The subjects were categorized into two groups as: aromatherapy and Entonox gas (control). In the aromatherapy group, the inhalation of fifteen drops of 1.5% Lavender essential oil used and the control group received Entonox gas. Both treatments were performed at the beginning of the second phase of labor. Pain was measured using standard pain rating scale (VAS) to assess pain before starting the study and immediately after the intervention (during contractions).

Results: Results of the current study indicated a significant difference between the two methods during the first and second stages of labor.

Conclusion: Aromatherapy with Lavender essential oil can be one of the other good ways to treat labor pain.

IRCT: 20180610040032N1

Keywords: Aromatherapy; Pain; Labor; Lavender; Entonox