Abstract: Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition, has removed criterion A2 from the diagnosis of posttraumatic stress disorder. The current study aimed to assess the claim that criterion A2 has low use in predicting distress, while addressing the shortcomings of previous research looking at criteria A1 and A2. Data from a longitudinal, prospective study was used, with 933 women having been assessed at four time points both prebirth and postbirth. In our sample of women, model comparisons suggest that criterion A2 should be reintroduced into the diagnostic criteria as it provides a better indicator of who goes on to have problems after giving birth than criterion A1 on its own. There is also evidence that this subjective reaction to event confrontation (A2) should include anger, shame, and guilt.