Maternal postpartum depression (PPD) exerts long-term negative effects on infants; yet the mechanisms by which PPD disrupts emotional development are not fully clear. Utilizing an extreme-case design, 971 women reported symptoms of depression and anxiety following childbirth and 215 high and low on depressive symptomatology reported again at 6 months. Of these, mothers diagnosed with major depressive disorder (n = 22), anxiety disorders (n = 19), and controls (n = 59) were visited at 9 months. Mother-infant interaction was microcoded for maternal and infant's social behavior and synchrony. Infant negative and positive emotional expression and self-regulation were tested in 4 emotion-eliciting paradigms: anger with mother, anger with stranger, joy with mother, and joy with stranger. Infants of depressed mothers displayed less social gaze and more gaze aversion. Gaze and touch synchrony were lowest for depressed mothers, highest for anxious mothers, and midlevel among controls. Infants of control and anxious mothers expressed less negative affect with mother compared with stranger; however, maternal presence failed to buffer negative affect in the depressed group. Maternal depression chronicity predicted increased self-regulatory behavior during joy episodes, and touch synchrony moderated the effects of PPD on infant self-regulation. Findings describe subtle microlevel processes by which maternal depression across the postpartum year disrupts the development of infant emotion regulation and suggest that diminished social synchrony, low differentiation of attachment and nonattachment contexts, and increased self-regulation during positive moments may chart pathways for the cross-generational transfer of emotional maladjustment from depressed mothers to their infants. (PsycINFO Database Record
Postpartum negative mood interferes with maternal-infant bonding and carries long-term negative consequences for infant growth. We examined the effects of birth-related risks on mother's postpartum anxiety and depression. A community cohort of 1,844 low-risk women who delivered a singleton term baby completed measures assessing delivery, emotions during labor, attitudes toward pregnancy and infant, mood regulation, and postpartum anxiety and depression. Under conditions of low risk, 20.5% of parturient women reported high levels of depressive symptoms. Following Cesarean Section Delivery (CSD), 23% reported high depressive symptoms, compared to 19% following Vaginal Delivery (VGD), and 21% after Assisted Vaginal Delivery (AVGD). State anxiety was highest in CSD and lowest in VGD. Mothers undergoing CSD experienced labor as most negative, reported highest somatic symptoms during the last trimester, and were least efficient in regulating negative mood. Postpartum depression was independently associated with higher maternal age, CSD, labor pain, lower negative and higher positive emotions during labor, inefficient mood regulation, somatic symptoms, and more negative and less positive perception of fetus during last trimester. Results demonstrate that elevated depressive symptoms are prevalent in the postpartum even under optimal socioeconomic and health conditions and increase following CSD. Interventions to increase positive infant-related perceptions and emotions may be especially important for promoting bond formation following CSD.
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