It is important to explain key issues like
The modes of hiv transmission
The different tests needed to diagnose and monitor hiv like cd4 counts and viral load.
Different treatment options avaialabe
How to prevent hiv transmission
How to plan pregancy
Importance of adhering to treatment
How to monitor for any complications of drugs or disease

All such issues will be discussed with the patients and counselling also motivates patients to take treatment and allays fears. about HIV.