Oxygen is an essential ingredient for aerobic life. It is present in the atmosphere at 21% and is an absolute necessity for life. Supplementary oxygen is often required for clinical purposes - and is supplied in gaseous or liquid form.

Medical Oxygen is used to restore the tissue oxygen tension towards normal by improving oxygen availability in

Safe and painless anaesthetic

Nitrous Oxide at normal temperature and pressure is a colourless, oxidising gas and when inhaled in moderate quantities, produces a kind of hysteria, and hence the name "laughing gas".

Nitrous oxide is administered through a face mask or tracheal tube by means of an anaesthetic apparatus in concentration with oxygen as balance

Its use should generally start towards the end of the first stage of labour. That is when it is most beneficial. It is also beneficial for women whose cervix is not fully dilated and they get a premature urge to push. For these women, if they use Entonox and change their position, it has been found that the two things in conjunction help tremendously.

It takes about 20 seconds to feel the effect of Entonox, with maximum benefit in about a minute. In order to get the maximum pain relief, it is advisable to start taking in Entonox early enough, when the uterus begins to tighten.

Entonox is a safe and well proven which has been used in modern midwifery for many years. It provides the mother-to-be with “total control”, because it only works when she breathes in and stops automatically when she breathes out. Besides, the face mask or the mouthpiece of the Demand Valve Apparatus is always hand held, hence the control.