Bipolar Disorder in Postpartum mothers: Prevalence, Risk & Key Differences

Key things to know What the evidence shows
How common is it? Same perinatal diagnostic estimate; no clean postpartum-only BD prevalence
Is it more common among postpartum mothers? Particularly high-risk period for recurrence/episodes in existing BD
Are postpartum mothers at higher risk? Strong Yes for recurrence/relapse
How much higher is the risk? In established BD, pooled 54.8% postpartum episode occurrence
How often can it be missed? Very high and clinically important
Does it show up differently among postpartum mothers? Strong Yes
How might it look different? Reduced need for sleep, agitation, racing thoughts or marked activation must not automatically be labelled normal postpartum sleep disruption; postpartum psychosis may be bipolar-related
What commonly occurs alongside it? Anxiety; postpartum depression; psychosis
What can it be confused with? Postpartum depression; postpartum psychosis; sleep deprivation; thyroid dysfunction
Common screening tool MDQ can be used cautiously
Separate screening tool for postpartum mothers No universally accepted postpartum-specific BD screener
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