Effect of Lavender on pain of labor

INTERVENTION: Intervention 1: The intervention Group:The massage aromatherapy group with two drops of lavender oil solute in 50 cc bitter almond oil. Kind of intervention group:drugs. Efflorauge massage (rub) was performed gently and in medium press by rhythmic during three stages of dilatation 5‐4 cm, dilatation 7‐6 cm and dilatation 10‐8 cm. These massages were performed in 20 minutes (during the intervals and between contractions). The samples eligible have been massage at all of back in lateral position (semi‐prone) and the assistant was standing or sitting. Intervention 2: The control group:The massage group without lavender oil. Kind of control group:The previous executable program with mentioned specifications. Efflorauge massage (rub) was performed gently and in medium press by rhythmic during three stages of dilatation 5‐4 cm, dilatation 7‐6 cm and dilatation 10‐8 cm. These massages were performed in 20 minutes (during the intervals and between contractions). The samples eligible have been massage at all of back in lateral position (semi‐prone) and the assistant was standing or sitting. Intervention 3: The control group:The massage group with 15 cc of bitter almond oil . Kind of control group: Placebo. Efflorauge massage (rub) was performed gently and in medium press by rhythmic during three stages of dilatation 5‐4 cm ,dilatation 7‐6 cm and dilatation 10‐8 cm. These massages were performed in 20 minutes (during the intervals and between contractions). The samples eligible have been massage at all of back in lateral position (semi‐prone) and the assistant was standing or sitting. Placebo The control group:The massage group with 15 cc of bitter almond oil . Kind of control group: Placebo. Efflorauge massage (rub) was performed gently and in medium press by rhythmic during three stages of dilatation 5‐4 cm ,dilatation 7‐6 cm and dilatation 10‐8 cm. These massages were performed in 20 minutes (during the intervals and between contractions). The samples eligible have been massage at all of back in lateral position (semi‐prone) and the assistant was standing or sitting. The control group:The massage group without lavender oil. Kind of control group:The previous executable program with mentioned specifications. Efflorauge massage (rub) was performed gently and in medium press by rhythmic during three stages of dilatation 5‐4 cm, dilatation 7‐6 cm and dilatation 10‐8 cm. These massages were performed in 20 minutes (during the intervals and between contractions). The samples eligible have been massage at all of back in lateral position (semi‐prone) and the assistant was standing or sitting. The intervention Group:The massage aromatherapy group with two drops of lavender oil solute in 50 cc bitter almond oil. Kind of intervention group:drugs. Efflorauge massage (rub) was performed gently and in medium press by rhythmic during three stages of dilatation 5‐4 cm, dilatation 7‐6 cm and dilatation 10‐8 cm. These massages were performed in 20 minutes (during the intervals and between contractions). The samples eligible have been massage at all of back in lateral position (semi‐prone) and the assistant was standing or sitting. Treatment ‐ Drugs Treatment ‐ Other CONDITION: Complication of labour and delivery, unspecified Pain of labor. ; Complication of labour and delivery, unspecified SECONDARY OUTCOME: Satisfaction of intervention. Timepoint: About 1 to 2 hours after delivery. Method of measurement: Satisfaction questionnaire. The main criteria for exclusion of study:athletes; addiction to narcotic; use of sedative drugs and also use of oxytocin as induction and augmentation. PRIMARY OUTCOME: Pain intensity of labor. Timepoint: Before and after of massage. Method of measurement: Visual analog scale pain in dilatation 5‐4, 7‐6 and 10‐8 cm has been completed before and immediately after intervention (during contractions) between contractions by assistant in 6 times totally. INCLUSION CRITERIA: The main criteria for inclusion to study: signing informed consent; age between 18‐35; gestational age between 37‐42; cephalic presentation; singleton pregnancy; cervical dilatation 4 cm; Iranian race; low‐risk pregnancies; 19 / 8< BMI <26 / 4.