The present meta‐analysis integrates results of 21 controlled couple‐focused interventions with expectant and new parents. The interventions had, on average, small effects on couple communication (d = .28 standard deviation units) and psychological well‐being (d = .21), as well as very small effects on couple adjustment (d = .09). Stronger effects emerged if the intervention included more than five sessions, included an antenatal and postnatal component, and was led by professionals rather than semiprofessionals.