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The effectiveness of entonox during labor

The effectiveness of entonox on reducing the need for pethidine (Meperidine) and fetal and maternal complications during painless labor

Status
Active, not recruiting
Phases
Phase 2
Study type
Interventional
Source
IRCT
Registry ID
IRCT2015102713159N6
Enrollment
400
Registered
2015-11-25
Start date
2015-11-22
Completion date
Unknown
Last updated
2018-02-22

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

Conditions

single spontaneous delivery. Other single spontaneous delivery

Interventions

Intervention 1: Intervention group: Entonox mask after the onset of delivery through inhalation. Intervention 2: Control group: Oxygen masks after the onset of delivery through inhalation.
Treatment - Drugs
Intervention group: Entonox mask after the onset of delivery through inhalation
Control group: Oxygen masks after the onset of delivery through inhalation

Sponsors

Vice Chancellor for Research, Mashhad University of Medical Sciences
Lead Sponsor

Eligibility

Sex/Gender
Female
Age
18 Years to 40 Years

Inclusion criteria

Inclusion criteria: Inclusion criteria: Being primigravida; aged between 18 and 40 years; term pregnancy (37-42 weeks); single gestation pregnancy; normal embryo; not having any midwifery care and medical problems (e.g., cardiovascular problems and other internal diseases); not using other analgesics and anesthetics; not having any medical restrictions on entonox gas inhalation (due to respiratory diseases, pneumothorax, or past history of head trauma); and normal fetal heart rate patterns. Exclusion criteria: Not being primigravia; embryo anomalies; having any complications during labor and delivery; need for cesarean section; use of other anesthetics and analgesics; having medical restrictions on entonox gas inhalation (respiratory diseases, pneumothorax, or previous history of head trauma); and abnormal fetal heart rate pattern

Exclusion criteria

Exclusion criteria:

Design outcomes

Primary

MeasureTime frame
Rang of pain intensity during labor. Timepoint: Each 15 minets. Method of measurement: Numeric scale rating / Number.

Secondary

MeasureTime frame
Maternal heart rate. Timepoint: In minutes. Method of measurement: Compact monitoring device / The number in minutes.

Countries

Iran (Islamic Republic of)

Contacts

Public ContactShima Shebani

Mashhad University of Medical Sciences

sheybanish@mums.ac.ir+98 51 3801 2612

Outcome results

None listed

Source: IRCT (via WHO ICTRP) · Data processed: Mar 11, 2026