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the following by inhalation:






oxygen or humidified air;






a mixture of oxygen and nitrous oxide, for the purpose of pain management during labour

The Regulation states that registered nurses may administer oxygen or humidified air without an order. Registered nurses are also permitted to administer a mixture of oxygen and nitrous oxide (such as Entonox) to labouring women to manage pain.

BCCNM Limits and Conditions

Registered nurses who administer a mixture of oxygen and nitrous oxide must follow decision support tools established by Perinatal Services BC (PSBC).

900 – 200 Granville St
Vancouver, BC  V6C 1S4

​Toll-free 1.866.880.7101 (within Canada only) ​

With great respect, we acknowledge that BCCNM’s office is located on the unceded territories of the hən̓q̓əmin̓əm̓ speaking peoples – xʷməθkʷəy̓əm (Musqueam), and sel̓íl̓witulh (Tsleil-Waututh) Nations, and the Sḵwx̱wú7mesh-ulh Sníchim speaking peoples - Sḵwx̱wú7mesh Úxwumixw (Squamish Nation) whose historical relationships with the land continue to this day.​