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Fasting Pregnant WomenNCT06900257

Fetal Cardiac Functions in Fasting Pregnant Women

An observational study of Fasting Pregnant Women, run by Sanliurfa Education and Research Hospital at 1 site in Turkey (Türkiye).

Enrolling by invitation

Enrolling by invitation. The study team selects and invites participants, usually from an existing group of patients.

Sites and contacts
Official record
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Trial summary

In this study, we aimed to evaluate fetal cardiac functions after a fasting period of at least 10 days. The purpose of this study was to determine the unexpected effects of fasting on fetal cardiac functions. Read more about this study

Who is it for?
Ages 18 to 50 years, women only
Conditions the study is for
Fasting Pregnant Women
What is being tested?
Pregnant women who present for routine antenatal follow-up between 24-34 weeks of gestation.
Type of treatment
Surgery or procedure
How many people
100 participants
Where
1 siteTurkey (Türkiye)
Study dates
1 Mar 2025to 30 Nov 2025
How long will I take part?
6 Months
Phase
Observational
Are there results?
Not yet: the study is under way

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 18 to 50 years
  • Women only
  • No healthy volunteers
  • Adult

Study population: Singleton uncomplicated pregnancies that present for routine antenatal follow-up between 24-34 weeks of gestation.

Who may be able to join

  • Singleton, uncomplicated pregnancies that have been fasting for at least the last 10 days
  • Present for routine antenatal follow-up between 24-34 weeks of gestation

Who cannot join

  • Multiple pregnancy
  • Premature rupture of membranes
  • Chorioamnionitis
  • Placental abruption
  • Severe fetal growth restriction
  • Congenital fetal anomalies
Show all 9Show fewer
  • Preeclampsia
  • Oligohydramnios
  • Maternal diabetes -Conditions where fasting is contraindicated for the mother. -

Trial locations and contacts

1 site in 1 country. Contact the study team or a site near you to ask about taking part.

Turkey (Türkiye)1 site
  • Sanliurfa Education and Research Hospital

    Sanliurfa, 63100

Other trials in Turkey (Türkiye)

About this study

Official title: Evaluation of Fetal Cardiac Functions in Fasting Pregnant Women

In this study, we aimed to evaluate fetal cardiac functions after a fasting period of at least 10 days. The purpose of this study was to determine the unexpected effects of fasting on fetal cardiac functions.

Read the detailed description

Pregnancies at 24-34 weeks of gestation who present to our hospital for routine antenatal follow-up will be evaluated. As the study group, singleton uncomplicated pregnancies with at least 10 days of fasting will be assessed. All ultrasonographic examinations will be conducted within the last 2 hours of the fasting period. The control group will consist of healthy pregnant women who do not fast, with singleton uncomplicated pregnancies between 24-34 weeks, matched for age, parity, and gestational age.

Being tested
Pregnant women who present for routine antenatal follow-up between 24-34 weeks of gestation.
Keywords
Fasting, Pregnancy, Fetal echocardiography, Fetal health
Medical subject headings
Fasting

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • Pregnant women who present for routine antenatal follow-up between 24-34 weeks of gestation.Procedure or surgery

    All singleton uncomplicated pregnancies that present to our hospital for routine antenatal follow-up between 24-34 weeks of gestation will be included in this study.

Study groups in NCT06900257
Study groupRoleWhat they receive
Singleton uncomplicated pregnancies with at least 10 days of fasting.Not described
Receives: Procedure: Pregnant women who present for routine antenatal follow-up between 24-34 weeks of gestation.
The control group will consist of healthy pregnant women who do not fast, with singleton uncomplicatNot described
Receives: Procedure: Pregnant women who present for routine antenatal follow-up between 24-34 weeks of gestation.

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Singleton uncomplicated pregnancies with at least 10 days of fasting.

    Measured: Fetal echocardiographic findings after at least 10 days of fasting.

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted28 Mar 2025
  2. Study start1 Mar 2025
  3. Primary completion30 Jun 2025
  4. Study completion30 Nov 2025 (estimated)

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Observational
Observational model
Other
Time perspective
Prospective
Enrolment
100 participants (estimated)
Target duration
6 Months
IDs, dates and publications
ClinicalTrials.gov ID
NCT06900257
Sponsor's protocol ID
ŞEAH/fasting card
Status last verified
Nov 2025
First submitted
23 Mar 2025
Last updated
18 Nov 2025
Results posted
No
Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No
Individual data sharing
No

Publications

  • Tasdemir D. Maternal Ramadan fasting and fetal cardiac function: subclinical hemodynamic alterations revealed by doppler evaluation. BMC Pregnancy Childbirth. 2026 Feb 5;26(1):235. doi: 10.1186/s12884-026-08683-4.

    PubMed 41645092

Questions about this trial

What is this clinical trial studying?

An observational study of Fasting Pregnant Women, run by Sanliurfa Education and Research Hospital at 1 site in Turkey (Türkiye).

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 2 inclusion and 9 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: enrolling by invitation, as of the sponsor's last update on 18 Nov 2025. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in Turkey (Türkiye). Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

Are results available for this study?

This study is still under way. Results are not available in the source record yet.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Singleton uncomplicated pregnancies with at least 10 days of fasting. (time frame: Fetal echocardiographic findings after at least 10 days of fasting.). It is what the study was designed to measure, not a finding.

Where can I read the original study information?

On the ClinicalTrials.gov record for NCT06900257, which also lists 1 linked publication.

Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 18 Nov 2025.

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