Abstract:Background and objectives: Labor pain is a severe form of pain experienced by a woman, leading to tremendous stress. Several routes for labor analgesia have been tried. Entonox is a premixed homogeneous gas mixture of nitrous oxide and oxygen in the ratio of 50:50 providing conscious sedation in obstetrics during labor. It is a safe and effective analgesia for obstetrics use due to its properties of rapid onset, short half-life, and rapidly disappearing symptoms on withdrawal of the gas. Therefore, we aimed to… Show more
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