Upper limits of resistance of apparatus for inhalation analgesia during labour. Response of mothers to increasing apparatus resistance

MeSH terms

• Adolescent
• Adult
• Anesthesia, Inhalation*
• Anesthesia, Obstetrical*
• Female
• Humans
• Methoxyflurane
• Muscle Contraction
• Nitrous Oxide
• Parity
• Pregnancy
• Pressure
• Spirometry
• Uterus / physiology
• Ventilators, Mechanical*