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Psychiatry Research

Postpartum stress has been shown to have an association with infant growth, nutrition, bonding, temperament and ultimately childhood mental wellbeing. When persistent, recurring or chronic, it can negatively impact infant outcome, including the subscales of mental wellbeing such as growth, development, feeding, attachment and sleep. This study aims to define the physical and functional effect of postpartum stress on measures of infant mental wellbeing. A systematic review of English language articles published between 1995 and 2019 on PubMed, Medline and Psych base databases was carried out. Search terms used included postpartum, stress, infant, growth, development, nutrition, attachment and sleep. Both qualitative and quantitative studies were reviewed with eligibility criteria. Inclusion criteria of human studies, mothers diagnosed with depressive and anxiety symptoms postpartum with infant correlates were used. All animal studies and studies with women already on medication were excluded. A total of 74 articles were reviewed and summarized into postpartum stress associations with infant growth, development, nutrition, sleep and maternal fetal attachment. Postpartum stress is negatively associated with poor developmental trajectories and linear growth deficits, causing stunting in growth; poor language and cognitive development; poor gross and fine motor movement, and infant sleep. An inverse relationship exists with breast feeding and postpartum depression. More importantly, breastfeeding efficacy is important for sustaining positive infant feeding outcome. Increased maternal age during postpartum depression has been linked, as a contributing factor, to decreased maternal fetal attachment/bonding. A ripple effect exists from the association between postpartum stress and poor infant sleep. There is strong evidence that correlates PPS to infant outcome, mediated through many external factors. More research needs to be conducted to delineate and potentially mitigate the impact of modifiable factors. Not all artic...

Postpartum stress and infant outcome: A review of current literature