Background: The association between postpartum depression and postpartum psychosis and subsequent maternal and offspring mental disorders in Western countries has been established; however, whether the relationship can be generalized to the Asian population is unknown.
Methods: Using the Taiwan National Health Insurance Research Database, this study enrolled 933,745 mother-infant pairs who delivered their first child and had no history of severe mental illness before childbirth from 2001 to 2010. Postpartum depression and postpartum psychosis were assessed in 3 periods between childbirth and 3, 6, or 12 months after childbirth. Subsequent maternal schizophrenia (ICD-9-CM code: 295), bipolar disorder (ICD-9-CM code: 296 except 296.2x, 296.3x, 296.9x, and 296.82), and depressive disorder (ICD-9-CM codes: 296.2x, 296.3x, 300.4, and 311) and offspring autism spectrum disorder (ASD; ICD-9-CM code: 299) and attention-deficit/hyperactivity disorder (ADHD; ICD-9-CM code: 314) were identified during the follow-up period to the end of 2011.
Results: Both postpartum depression and postpartum psychosis were found to be related to increased risks of schizophrenia, bipolar disorder, and depressive disorder in mothers, with hazard ratios (HRs) ranging between 8.80 (95% CI, 7.95-9.74) and 63.96 (95% CI, 50.39-81.18). Children exposed to maternal postpartum depression and psychosis were more likely to develop ADHD. Only postpartum depression was related to the likelihood of offspring ASD.
Conclusions: Per these findings, we clinicians and health care providers should closely monitor the mental health condition of postpartum women and their children.
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