1. True labor pain 1. pregnant woman 2. pain control 3. True labor pain 4. Pethidine 5. Entonox
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. Pregnant women whose ages were 20 to 34 years old. 2. Singleton pregnancy 3. Gestational age between 37-40 weeks 4. Low-risk antenatal care history 5. Not a contraindication for vaginal delivery 6. True labor pain
Exclusion criteria
Exclusion criteria: 1. High-risk antenatal care history including poor control gestational diabetes, Pregnancy-induced hypertension, serious maternal underlying diseases 2. Pregnant women who had a contraindication to use pethidine such as asthma, COPD 3. Pregnant women who had a contraindication to use Nitrous oxides such as Pneumothorax or heart failure
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Pain score before/ 30, 60, 90, 120 mins after visual analog scale ,Satisfaction after delivery verbal rating scale | — |
Secondary
| Measure | Time frame |
|---|---|
| Neonatal outcome At 1,5 minutes after birth APGAR score | — |
Countries
Thailand
Contacts
Department of Obstetrics and Gynecology, Faculty of Medicaine , Chiang mai university