Tadokoro Y, Horiuchi S, Takahata K, Shuo T, Sawano E, Shinohara K
BMC Research Notes, 2017
OBJECTIVES:
This pilot study using a quasi-experimental design was conducted to evaluate the feasibility (i.e., limited efficacy, practicality, and acceptability) of our intervention protocol involving inhalation of the scent of clary sage essential oil by pregnant women and measurement of their preinhalation and postinhalation oxytocin levels.
RESULTS:
Participants were women of singleton pregnancies between 38 and 40 gestation weeks (N = 11). The experiment group (n = 5) inhaled the scent of clary sage essential oil diluted 50-fold with 10 mL of odorless propylene glycol for 20 min. Regarding limited efficacy, the oxytocin level 15 min postinhalation increased in 3 women and was unmeasurable in 2. The control group (n = 6) inhaled similarly without the 50-fold dilution of clary sage essential oil. Their oxytocin level increased in 2 women, decreased in 2, and was unmeasurable in 2. Uterine contraction was not observed in both groups. Regarding practicality, 3 of the 11 women could not collect sufficient saliva. The cortisol level decreased in both groups postinhalation. The protocol had no negative effects. Regarding acceptability, burden of the protocol was not observed. Trial registration The Clinical Trials Registry of University Hospital Medical Information Network in Japan-UMIN000017830. Registered: June 8, 2015.
CITATION:
Tadokoro Y, Horiuchi S, Takahata K et al. Changes in salivary oxytocin after inhalation of clary sage essential oil scent in term-pregnant women: a feasibility pilot study. BMC Res Notes. 2017 Dec 8;10(1):717. doi: 10.1186/s13104-017-3053-3.
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