NCT06413784

Brief Summary

Purpose: The aim of this study was to examine the effect of chronotype differences on sleep quality and pregnancy symptoms in pregnant women. Methods: Eighty-five pregnant women in the second trimester were included in the study. The chronotypes of pregnant women were determined using the Morningness-Eveningness Questionnaire (MEQ). Then, Oral Glucose Tolerance tests were performed on the participants between 24-28 weeks. Also, pregnant women's nausea and vomiting conditions with the Pregnancy-Unique Quantification of Emesis and Nausea (PUQE) and sleep quality with Pittsburgh Sleep Quality Index (PSQI) were evaluated.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
85

participants targeted

Target at P50-P75 for not_applicable

Timeline
Completed

Started Apr 2022

Shorter than P25 for not_applicable

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

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Study Timeline

Key milestones and dates

Study Start

First participant enrolled

April 1, 2022

Completed
8 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

December 1, 2022

Completed
2 months until next milestone

Study Completion

Last participant's last visit for all outcomes

February 1, 2023

Completed
1.3 years until next milestone

First Submitted

Initial submission to the registry

May 9, 2024

Completed
5 days until next milestone

First Posted

Study publicly available on registry

May 14, 2024

Completed
Last Updated

October 3, 2024

Status Verified

October 1, 2024

Enrollment Period

8 months

First QC Date

May 9, 2024

Last Update Submit

October 1, 2024

Conditions

Outcome Measures

Primary Outcomes (4)

  • The Morningness-Eveningness Questionnaire (MEQ)

    It was used to measure the preference for a certain chronotype. This validated questionnaire evaluates individual differences in the degree to which respondents are aware and active at different times of the day. It has 19 items on sleep patterns and exhaustion. The responses to the scale items indicate preferences for waking and sleeping hours as well as the subjective "peak" times when respondents feel most refreshed. People were categorized as morningness chronotype (\>65), intermediate chronotype (53-64), or eveningness chronotype (score of \<52). The reliability of MEQ was 0.77 and the test alpha was equal to 0.78 (20).

    5 minutes

  • The Pregnancy-Unique Quantification of Emesis and Nausea (PUQE)

    The PUQE is a scoring system for nausea and vomiting during pregnancy, which consists of three items. The original PUQE entailed rating the daily number of vomiting episodes, the length of nausea in hours per day, and the number of retching episodes per 12 hours. Its validation was confirmed a total score of 3-6 is considered mild nausea and vomiting, a total score of 7-12 is considered moderate nausea and vomiting, and a total score of 13-15 is considered severe nausea and vomiting

    5 minutes

  • Oral Glucose Tolerance Testing (OGTT)

    Pregnant women undergo a 75 g OGTT test between 24 and 28 weeks of . A plasma fasting blood glucose\>126 mg/dL in a pregnant woman is considered overt diabetes (after confirmation) even if there is no prior history of diabetes. The OGTT test involves measurement of plasma glucose levels after an overnight fast (8 h), followed by oral consumption of 75 g glucose, and plasma glucose measurement at one and two hours. Gestational diabetes was defined as a fasting plasma glucose value\>92 mg/dL or a one-hour plasma glucose value\>180 mg/dL or a two-hour plasma glucose value\>153 mg/dl.

    15 minutes

  • The Pittsburgh Sleep Quality Index

    It is evaluation of the sleep quality. There are 24 questions in all, 18 of which are used to determine the score. Subjective sleep quality, sleep latency, duration, habitual sleep efficiency, sleep disruptions, usage of sleeping pills, and dysfunction throughout the day are its seven constituent parts. The PSQI score is determined by assigning a point value between 0 and 3. A cumulative score of more than five indicates that the quality of sleep was inadequate. The score goes from 0 to 21.

    10 minutes

Study Arms (3)

Morning Chronotype

EXPERIMENTAL

Sleep quality, gestational diabetes and pregnancy symptoms of morning chronotype individuals were examined.

Other: Morning chronotype

Intermediate chronotype

EXPERIMENTAL

Sleep quality, gestational diabetes and pregnancy symptoms of Intermediate chronotype individuals were examined.

Other: Intermediate chronotype

Evening chronotype

EXPERIMENTAL

Sleep quality, gestational diabetes and pregnancy symptoms of evening chronotype individuals were examined.

Other: Evening chronotype

Interventions

Sleep quality, gestational diabetes and pregnancy symptoms of morning chronotype individuals were examined.

Morning Chronotype

Sleep quality, gestational diabetes and pregnancy symptoms of intermediate chronotype individuals were examined.

Intermediate chronotype

Sleep quality, gestational diabetes and pregnancy symptoms of evening chronotype individuals were examined.

Evening chronotype

Eligibility Criteria

Age18 Years - 40 Years
Sexfemale
Healthy VolunteersYes
Age GroupsAdult (18-64)

You may qualify if:

  • being between the ages of 18-40,
  • having a singleton pregnancy, being in the second trimester,
  • not having any known chronic disease.

You may not qualify if:

  • working night shifts,
  • having a high-risk pregnancy,
  • having a neurological or orthopedic disease.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Istanbul Medipol University

Istanbul, Turkey (Türkiye)

Location

Related Publications (1)

  • Cassidy EM, Bailey CP, Napolitano MA, Vyas AN. Sleep duration and chronotype of pregnant women in the United States: An online cross-sectional survey study. Prev Med Rep. 2022 Dec 6;31:102088. doi: 10.1016/j.pmedr.2022.102088. eCollection 2023 Feb.

Related Links

MeSH Terms

Conditions

Pregnancy Complications

Condition Hierarchy (Ancestors)

Female Urogenital Diseases and Pregnancy ComplicationsUrogenital Diseases

Study Officials

  • MERVE YILMAZ MENEK, PhD

    Medipol University

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
not applicable
Allocation
NON RANDOMIZED
Masking
SINGLE
Who Masked
PARTICIPANT
Masking Details
Participants were blind
Purpose
OTHER
Intervention Model
PARALLEL
Model Details: This study is a single-blind (participants), parallel trial
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Principal Investigator

Study Record Dates

First Submitted

May 9, 2024

First Posted

May 14, 2024

Study Start

April 1, 2022

Primary Completion

December 1, 2022

Study Completion

February 1, 2023

Last Updated

October 3, 2024

Record last verified: 2024-10

Data Sharing

IPD Sharing
Will not share

There is no a plan to make individual participant data (IPD)

Locations