Carbon monoxide (CO): antenatal checks algorithm for midwives

An algorithm for midwives to help diagnose carbon monoxide poisoning in pregnant women and offer advice for women in the event of exposure.


Carbon monoxide (CO): antenatal checks algorithm


This flowchart can help midwives identify pregnant women who might be exposed to CO from sources other than products containing tobacco. As well as aiding identification of such women, it includes advice and key telephone numbers for services providing further advice and practical assistance.

Read the joint letter on carbon monoxide (CO) from the Chief Medical Officer, Chief Nursing Officer and Director of Nursing at the Department of Health and Public Health England.

Published 11 November 2014
Last updated 18 December 2015 + show all updates
  1. Updated leaflet.
  2. First published.