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The effect of vitamin D on sleep quality and pregnancy symptoms

The effect of vitamin D on sleep quality and pregnancy symptoms in pregnant women: a randomized controlled clinical trial

Status
Recruiting
Phases
Phase 3
Study type
Interventional
Source
IRCT
Registry ID
IRCT20120718010324N61
Enrollment
88
Registered
2021-01-15
Start date
2021-01-19
Completion date
Unknown
Last updated
2021-02-22

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

Conditions

Sleep Quality. Sleep disorder, unspecified

Interventions

Intervention 1: The intervention group will receive 4000 units of oral vitamin D daily produced by Dana Pharmaceutical Company, which is quite similar in appearance to the drug used in the placebo gro

Sponsors

Tabriz University of Medical Sciences
Lead Sponsor

Eligibility

Sex/Gender
Female
Age
15 Years to 49 Years

Inclusion criteria

Inclusion criteria: Pregnant people with a gestational age of 8 -10 weeks Vitamin D levels below 30 ng/ml

Exclusion criteria

Exclusion criteria: Women with diabetes Vitamin D levels above 30 ng/ml Women with thyroid and parathyroid disorders according to the self-report Women with a body mass index above 30 kg/2m before pregnancy Women with a history of macrosomic neonate Women with pre-pregnancy polycystic ovary syndrome, according to the self-report Women with a history of diabetes or gestational diabetes

Design outcomes

Primary

MeasureTime frame
Sleep quality score. Timepoint: Before the intervention and 26th week of pregnancy. Method of measurement: Pittsburgh Sleep Quality Questionnaire.;Pregnancy symptoms score. Timepoint: Before the intervention and 26th week of pregnancy. Method of measurement: Pregnancy Symptoms Questionnaire.

Secondary

MeasureTime frame
Side effects. Timepoint: During intervention. Method of measurement: Side effects checklist.

Countries

Iran (Islamic Republic of)

Contacts

Public ContactZahra Mirzaee Azandaryani

Tabriz University of Medical Sciences

z.mirzaee2019@yahoo.com+98 41 3177 2048

Outcome results

None listed

Source: IRCT (via WHO ICTRP) · Data processed: Feb 4, 2026