Chronic PTSD is defined as symptoms persisting beyond how many months, possibly with delayed onset?

• A. One month
• B. Three months
• C. Six months
• D. Beyond three months with delayed onset

Answer: (D)

The key idea is how long the PTSD symptoms have persisted after the trauma and whether the full disorder emerged later than usual. Chronic PTSD refers to symptoms that last more than three months after the event. If the person doesn’t meet full diagnostic criteria until at least six months after the trauma, that is described as having delayed onset. So the best phrasing—combining both ideas—is symptoms lasting beyond three months with delayed onset.

Why the other timings aren’t as precise: one month isn’t long enough to label PTSD as chronic. Simply saying “three months” covers duration but misses the delayed onset aspect. Six months alone doesn’t specify that the full diagnosis was not reached until after a longer delay; it could imply onset at six months without noting the extended duration beyond three months.