Frequency, trends, and antecedents of severe maternal depression after three million U.S. births - Fig 2

<p><b>(<i>Top panel</i>)</b> Timing of onset of the first ED visit or inpatient admission for a specific diagnosis of postpartum depression (PPD). Each vertical bar aggregates a week of hospital encounters. <b>(<i>Bottom panel</i>)</b> Similar histogram, but for the first hospital encounters for all severe depression.