Mother–Grandmother and Mother–Father Coparenting Across Time Among Mexican‐Origin Adolescent Mothers and Their Families

The current study examined mothers' reports of coparenting relationship dynamics (i.e., conflict, communication) within and between mother–father and mother–grandmother subsystems from 10 months postpartum to 5 years postpartum among 178 Mexican‐origin teen mothers (M age = 16.78 years; SD = 1.00). Within subsystems, more frequent mother–father coparenting conflict was associated with less frequent mother–father coparenting communication from 10 months to 5 years postpartum, and more frequent mother–father coparenting communication was associated with less frequent mother–father conflict from 3 to 4 years postpartum. Furthermore, more frequent mother–grandmother coparenting communication was associated with less frequent mother–grandmother conflict from 10 months to 2 years postpartum. Regarding relations across subsystems, more frequent mother–father coparenting conflict was associated with more frequent mother–grandmother conflict from 10 months to 2 years postpartum, as well as from 3 to 4 years postpartum. Findings have implications for future interventions focused on coparenting relationships within the context of adolescent parenthood.