Global Journal of Reproductive Medicine Juniper Publishers Authored by: Jose Rajaonarison* Introduction Carbon monoxide (CO) poisoning is a common intoxication found in France. It causes serious outcomes on population with a mortality rate of 0,31/100000 in some areas of France [1], a sudden lethality for 1,26% [2], and neurological sequelae that might be severe. In France, 5,4% of victims are pregnant women [3]. The rate of fetal mortality due to CO poisoning during a pregnancy can reach 19 to 24% [4]. The physiopathological suggestions had proved that a foetus is more susceptible regarding of intensity and duration of exposure than a mother. Although various studies had brought light on how to understand physiopathologies, diagnosis, therapy principle; the frequency of neurological sequelae, pronostic factors, the fetal prognosis of a CO exposure during pregnancy and the monitoring system of victims remain in shade. Practices diverge on how to prescrib...