Rumination, dyadic coping and parenting sense of competence in couples transitioning to parenthood during puerperium: a longitudinal study protocol

Ethical approval has been obtained from the Shanxi Bethune Hospital Ethics Committee (No. YXLL-2023-060). All participants will be fully informed about the study aims, procedures, risks and benefits and will provide written informed consent prior to data collection. Findings will be disseminated through peer-reviewed journals and academic conferences to inform interventions that support the transition to parenthood and enhance family well-being.