The resistances of thirteen Entonox valves were measured. Although there was a wide variation between them, this is unlikely to interfere with their performance when used in labour. During the passage of continuous high flows, freezing occurred in two valves, causing a reduction in flow after 5 minutes. It is very unlikely that this would occur in clinical use. Measurements of the resistances o...

Labor pain is one of the most tiresome types of pain. So human has been seeking to allay this pain until now. Administration of a suitable agent such as Entonox during labor is very beneficial for childbirth outcomes. Entonox can be administered in two ways: intermittently and continuously. The aim of this study is to demonstrate whether continuous method is as safe as intermittent method? This...

Background/Aims Nitrous oxide is a potent greenhouse gas widely used in childbirth the form of Entonox. In this study, its use was investigated because negative climate effect. The study aimed to identify and investigate midwives' Entonox labour ward tertiary Scottish hospital. Methods This qualitative service evaluation conducted using semi-structured interviews with 10 midwives an environment...

introduction: the aim of this study is to compare the efficacy of epidural versus entonox methods for labor analgesia in nulliparous women.  methods: this randomized controlled trial was performed on 84 nulliparous women with - pregnancy admitted to imam reza hospital in 10 may 2010- 10 may 2011.  they were randomly divided into two groups 42 women inhaled entonox in active phase at the beginni...

BACKGROUND The use of pain-relieving drugs during labor is now part of standard care in many countries throughout the world. Each method of pain relief has its own risks and benefits, variations in effectiveness, and availability and acceptability. OBJECTIVES This study aimed to assess the efficacy and safety of intramuscular pethidine as an analgesic during labor by comparing it to inhaled 5...

 Introduction: The aim of this study is to compare the efficacy of epidural versus entonox methods for labor analgesia in nulliparous women.  Methods: This randomized controlled trial was performed on 84 nulliparous women with - pregnancy admitted to Imam Reza Hospital in 10 May 2010- 10 May 2011.  They were randomly divided into two groups 42 women inhaled entonox in active phase at the ...