Abstract
Background:Nausea and vomiting of pregnancy are amongst the most common complaints that effects on both the physical and mental conditions of the pregnant women. Due to the increasing tendency of women to use herbal medications during pregnancy, the effect of lemon inhalation aromatherapy on nausea and vomiting of pregnancy was investigated in this study.Objectives:The aim of this study was to determine the effect of lemon inhalation aromatherapy on nausea and vomiting during pregnancy.Materials and Methods:This was a randomized clinical trial in which 100 pregnant women with nausea and vomiting who had eligibility criteria were randomly divided into intervention and control groups based on four- and six-random block sampling method. Lemon essential oil and placebo were given to the intervention and control groups, respectively, to inhale it as soon as they felt nausea. The nausea, vomiting, and retch intensity were investigated 24 hours before and during the four days of treatment by means of PUQE-24 (24-hour Pregnancy Unique Quantification of Emesis).Results:There was a statistically significant difference between the two groups in the mean scores of nausea and vomiting on the second and fourth days (P = 0.017 and P = 0.039, respectively). The means of nausea and vomiting intensity in the second and fourth days in the intervention group were significantly lower than the control group. In addition, in intragroup comparison with ANOVA with repeated measures, the nausea and vomiting mean in the five intervals, showed a statistically significant difference in each group (P < 0.001 and P = 0.049, respectively).Conclusions:Lemon scent can be effective in reducing nausea and vomiting of pregnancy.
Highlights
Nausea and vomiting of pregnancy are amongst the most common complaints that effects on both the physical and mental conditions of the pregnant women
The results showed that by controlling nausea and vomiting before intervention and confounding variables, there was statistically significant differences between the mean scores of nausea and vomiting on the second and fourth days in two groups
According to the findings of the present study, the mean scores of Nausea and vomiting of pregnancy (NVP) were decreased during four days of using inhalation lemon aromatherapy; this reduction in score was statistically significant only in second and forth days of follow up within two groups
Summary
Nausea and vomiting of pregnancy are amongst the most common complaints that effects on both the physical and mental conditions of the pregnant women. Due to the increasing tendency of women to use herbal medications during pregnancy, the effect of lemon inhalation aromatherapy on nausea and vomiting of pregnancy was investigated in this study. Results: There was a statistically significant difference between the two groups in the mean scores of nausea and vomiting on the second and fourth days (P = 0.017 and P = 0.039, respectively). In intragroup comparison with ANOVA with repeated measures, the nausea and vomiting mean in the five intervals, showed a statistically significant difference in each group (P < 0.001 and P = 0.049, respectively). For non-pharmacological methods, the evidences on the effectiveness of acupressure were limited and the use of acupuncture in pregnant women showed no significant benefits. The use of ginger products may be useful but there are limited evidences on the effectiveness of it [6]
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