The effect of pethidine on reducing labor pain

Comparison of the effects of pethidine, entonox, and the combination of pethidine and entonox on reducing the pain of vaginal delivery among women candidates for termination of pregnancy

Status

Recruiting

Phases

Phase 4

Study type

Interventional

Source

IRCT

Registry ID

IRCT20251113067984N1

Enrollment

150

Registered

2025-12-02

Start date

2025-11-21

Completion date

Unknown

Last updated

2025-12-08

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

Conditions

termination of pregnancy. Complications following (induced) termination of pregnancy

Interventions

Intervention 1: Intervention group: recieve petedin. Intervention 2: Intervention group: recieve entonex.

Eligibility

Sex/Gender

Female

Inclusion criteria

Inclusion criteria: Candidate for termination of pregnancy Onset of active phase of labor Cephalic presentation Absence of fever or serious systemic illness Absence of fetal distress Absence of meconium Absence of coagulation disorders

Exclusion criteria

Exclusion criteria:

Design outcomes

Primary

Measure	Time frame
Reduce pain labar. Timepoint: 30 and 60 munites. Method of measurement: VAS.	—

Countries

Iran (Islamic Republic of)

Contacts

Public Contactzahra ghavami

Ardabil University of Medical Sciences

zahra.ghavami@gmail.com+98 45 3353 4741

Outcome results

None listed

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