The Full form of U/O is Under Observation for ...., or U/O stands for Under Observation for ...., or the full name of given abbreviation is Under Observation for .....
U/O (Under Observation for ....)
Under Observation for .... is known as U/O.
U/O all full forms
All the above full forms are related to U/O. A little information is given about one of these full forms. If you are not satisfied with the information given about 'Under Observation for .... (U/O)', then comment. Or if you know more about 'Under Observation for .... (U/O)', then write.