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The Effect of Scent on Pregnancy Induced Nausea, Vomiting, and Quality of Life

The Effect of Scent on Pregnancy Induced Nausea, Vomiting, and Quality of Life

Status
Completed
Phases
NA
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT03513536
Enrollment
74
Registered
2018-05-01
Start date
2018-04-15
Completion date
2020-03-29
Last updated
2020-04-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Morning Sickness, Pregnancy Early

Keywords

Aromatherapy, Essential Oils

Brief summary

This study evaluates the effects of essential oils on nausea, vomiting, and quality of life scores among pregnant women. Participants will receive either an essential oil roll-on product or a placebo product to apply to their temples and jaw line daily for 6 days.

Detailed description

The inhalation of certain essential oils has been found to reduce feelings of nausea and to improve quality of life during pregnancy. The essential oils used in this study are applied topically to the temples and jaw line every 4-6 waking hours over a 6-day period. Each application will produce an exposure that lasts up to 30-45 minutes before fading. At the end of each day, nausea and vomiting levels will be assessed using a validated measurement instrument. Quality of life is measured using a 30-question tool that measures both pregnancy-related quality of life and pregnancy-induced nausea and vomiting.

Interventions

OTHERCitrus-Based Aromatherapy

This intervention is a blend of plant derived oils which have been distilled from crude plant matter and analyzed in a laboratory to identify chemical composition.

OTHERMint-Based Aromatherapy

This intervention is a blend of plant derived oils which have been distilled from crude plant matter and analyzed in a laboratory to identify chemical composition.

OTHERSpice-Scented Aromatherapy

This intervention is a blend of plant derived oils which have been distilled from crude plant matter and analyzed in a laboratory to identify chemical composition.

OTHERControl

This control is a blend of plant derived oils which have been expressed from crude plant matter.

Sponsors

Nutraceuticals Research Institute
Lead SponsorOTHER

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
DOUBLE (Subject, Caregiver)

Eligibility

Sex/Gender
FEMALE
Age
18 Years to 45 Years
Healthy volunteers
Yes

Inclusion criteria

* age: 18-45 years * confirmed pregnancy * healthy pregnancy

Exclusion criteria

* hyperemesis gravidarum * tobacco use in the home * high risk pregnancy

Design outcomes

Primary

MeasureTime frameDescription
Change from Nausea and Vomiting 6-part Quantification of Emesis scaledaily for 6 daysNausea and vomiting are measured once per day using the 6-item Quantification of Emesis 24-hour scale (PUQE) scale. This scale includes 3 questions which are ranked on a scale of 1-5, with higher scores indicating higher levels of pregnancy-induced nausea and vomiting. The other 3 questions are open-ended questions which ask participants about perceived well-being.

Secondary

MeasureTime frameDescription
Health Related Quality of Life for Nausea and Vomiting of Pregnancy 30-part scalebaseline and day 6Quality of life is measured twice, at the start of the study and at the end of the study, using the Health Related Quality of Life for Nausea and Vomiting of Pregnancy (NVPQOL) instrument. This instrument includes 30 questions which are ranked on a Likert scale with 1 indicating none of the time and 7 indicating all of the time. Higher scores indicate higher levels of nausea and vomiting, with reduced quality of life.

Countries

United States

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026