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Postpartum anhedonia: Emergent patterns in bipolar and unipolar depression

Jacqueline K Gollan1, Amy Yang2, Jody D Ciolino2

  • 1Department of Psychiatry and Behavioral Sciences, Northwestern University Feinberg School of Medicine, 676 North St Clair Street, Suite 1000, Chicago, IL, 60611 USA.

Psychiatry Research
|November 27, 2021
PubMed

The objective of this study was to identify differences in the longitudinal course anhedonia symptoms during postpartum in women diagnosed with unipolar or bipolar disorder. Female participants diagnosed with either bipolar (n = 104) or unipolar (n = 136) depression at week 20 during pregnancy were evaluated prospectively at weeks 2, 12, 26, and 52 postpartum using clinical interviews. A semi-parametric, group-based mixture model was applied to separate distinct longitudinal patterns of symptoms of anhedonia. Across time, among those who reported anhedonia, twice as many women had the diagnoses of bipolar depression relative to unipolar depression (65.03% versus 39.47%, respectively). Moreover, the rate and stability of anhedonia was higher in women with bipolar relative to unipolar depression. Across groups, anhedonia was associated with significantly higher depressive symptom severity. Anhedonia is a more stable and frequent symptom in women with postpartum bipolar relative to unipolar depressive disorder.

Keywords:
AnhedoniaBipolarPostpartumTrajectoriesUnipolar

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