A pregnancy status observation records whether the patient is currently pregnant or not. If pregnant, an Expected Delivery Date may be specified as an subordinate observation.
Context
Parent nodes of template element with id 2.16.840.1.113883.10.22.4.27
The effectiveTime, also referred to as the “biologically relevant time” is the time at which the observation holds for the patient. For a provider seeing a patient in the clinic today, observing a history of heart attack that occurred five years ago, the effectiveTime is five years ago.