This was a prospective randomized controlled trial (RCT) with two arms comparing lavender aromatherapy massage and massage without aromatherapy groups in labor. Sweet almond was provided as carrier oil for massage. Information was gathered in the form of a short questionnaire to elicit maternal feedbacks about receiving and administering aromatherapy. In the labor ward, randomization was accomplished by taking consecutively numbered, sealed, opaque envelopes that contained the allocation to each arm of the trial. Each envelope was identical in appearance and weight. The randomly generated computer sequence (1:1 ratio) was prepared before the trial started by statistician and was only known to him. Thus, allocation concealment was assured to the point of opening the envelope. Blinding was obviously not possible.