The effect of hearing the sound on Non Stress Test(NST) results

The effect of Maternal hearing the sound on Non Stress Test(NST) results

Status

Recruiting

Phases

Unknown

Study type

Interventional

Source

IRCT

Registry ID

IRCT20200111046079N1

Enrollment

106

Registered

2020-09-01

Start date

2020-08-21

Completion date

Unknown

Last updated

2020-09-07

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

Conditions

Fetal Heart Rate.

Interventions

Intervention 1: Intervention group: In the intervention group, pregnant women are routinely connected to an external fetal heart rate monitor to perform a Non Stress Test(NST) to assess the health of

Eligibility

Sex/Gender

Female

Inclusion criteria

Inclusion criteria: Auditory canal health gestational age 32-32 weeks single pregnancy with healthy fetus no symptoms of childbirth(Uterine contractions and pain, rupture of amniotic membrane, vaginal bleeding, etc.) no smoking, drugs or sedatives and drugs that cause maternal depression

Exclusion criteria

Exclusion criteria: Maternal fasting Decreased amniotic fluid volume (oligohydramnios based on ultrasound evidence) Any unreliable pattern of fetal heart rate (including Decreased fetal heart rate, bradycardia, tachycardia, etc.)

Design outcomes

Primary

Measure	Time frame
Fetal heart rate Base Line. Timepoint: 20 minutes after the start of the study. Method of measurement: External electronic monitoring device for fetal heart.;Beat to Beat Variability. Timepoint: 20 minutes after the start of the study. Method of measurement: External electronic monitoring device for fetal heart.;Acceleration number. Timepoint: 20 minutes after the start of the study. Method of measurement: External electronic monitoring device for fetal heart.;Test response time. Timepoint: 20 minutes after the start of the study. Method of measurement: External electronic monitoring device for fetal heart.;Fetal Movement. Timepoint: 20 minutes after the start of the study. Method of measurement: External electronic monitoring device for fetal heart.;Anxiety. Timepoint: 20 minutes after the start of the study. Method of measurement: Spielberger Questionnaire.	—

Measure

Time frame

Fetal heart rate Base Line. Timepoint: 20 minutes after the start of the study. Method of measurement: External electronic monitoring device for fetal heart.;Beat to Beat Variability. Timepoint: 20 minutes after the start of the study. Method of measurement: External electronic monitoring device for fetal heart.;Acceleration number. Timepoint: 20 minutes after the start of the study. Method of measurement: External electronic monitoring device for fetal heart.;Test response time. Timepoint: 20 minutes after the start of the study. Method of measurement: External electronic monitoring device for fetal heart.;Fetal Movement. Timepoint: 20 minutes after the start of the study. Method of measurement: External electronic monitoring device for fetal heart.;Anxiety. Timepoint: 20 minutes after the start of the study. Method of measurement: Spielberger Questionnaire.

—

Secondary

Measure	Time frame
Time required to respond to the Non Stress Test. Timepoint: Every minute until the end of twenty minutes. Method of measurement: External electronic monitoring device for fetal heart.	—

Countries

Iran (Islamic Republic of)

Contacts

Public ContactLeila Fathi

Khoram-Abad University of Medical Sciences

midwifer.fathi@gmail.com+98 66 3332 2782

Outcome results

None listed

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