UPDATE: Carol and her newborn baby have been located. The baby is being returned to hospital.
PREVIOUSLY:
Police continue to have welfare concerns for 32-year-old woman Coral Edmonds and her newborn child reported missing after leaving King Edward Memorial Hospital on Monday.
Information has been received regarding a recent possible sighting in the Mandurah area. Police are actively following up on this information.
Ms Edmonds left the woman's maternity hospital in Subiaco about 11.45am on January 3 with her newborn baby, and has not been in contact with family or friends since.
Police are appealing to her family and friends to come forward if they have any information on the pairs whereabouts.
Ms Edmonds is described as being 170 to 175cm tall with black hair and brown eyes.
Anyone who sees Ms Edmonds is asked to call police immediately on 131 444.