Rebecca L. Brock

The transition to parenthood creates a context for family reorganization that can place couples at risk for declining relationship satisfaction; however, few studies have examined the experiences of parents navigating this transition while parenting other children in the home. Further, there is a critical need to identify factors explaining unique trajectories of relationship satisfaction and determine whether these factors serve similar functions for first-time versus experienced parents. The goal of the present study was to examine relationship satisfaction across the pregnancy-postpartum transition for not only first-time, but also experienced parents, and identify prenatal couple dynamics and contextual factors that explain individual differences in these trajectories across parenting groups. We pursued these aims in a sample of 152 mixed-sex couples, across five waves of data spanning pregnancy to 2 years postpartum. First-time and experienced parents demonstrated unique trajectories of relationship satisfaction across the transition to parenthood. Greater mutually responsive orientation (i.e., MRO; an established system of attunement, reciprocity, cooperation, and warmth) between partners during pregnancy was associated with higher overall levels of relationship satisfaction spanning pregnancy to 2 years postpartum for first-time mothers and low-income experienced mothers and less relationship satisfaction decline over time for low-income experienced fathers. The present study replicates past work suggesting that experienced parents are also at risk for relationship discord across the pregnancy-postpartum transition and identifies prenatal MRO as a dyadic relationship quality that maintains and promotes satisfaction across this transition, warranting closer attention in future research and interventions.