Rates of teenage pregnancies are higher for African American and Latina adolescents compared to their White peers. African American and Latina adolescent mothers also experience more adversities than their White peers, such as higher rates of depression, school dropout, and economic disadvantage. Furthermore, children of adolescent mothers are at higher risk for adverse development. Parenting stress and social support can impact outcomes experienced by adolescent parents and their children. The present study examined the influence of adolescent mothers' parenting stress and perceived social support on maternal depression at baseline (six months after birth), and its impact on infant development one year later (18 months after birth). Participants were 180 adolescent mothers of African American or Latino/Hispanic descent. Results suggest that higher levels of parenting stress and less perceived social support were associated with higher levels of depression in the adolescent mothers at baseline. Higher levels of maternal depression were also associated with more developmental delays in infants one year post-baseline. Additionally, depression mediated the relationship between parenting stress and later child outcomes. These findings highlight the importance of examining parenting factors such as parenting stress, social support, and maternal depression in ethnic minority adolescent parents, and provide valuable information regarding unique risk and protective factors associated with positive maternal outcomes for ethnic minority adolescent parents and healthy development for their children.

Objectives.-Parenting stress has been linked with negative outcomes for parents and their infants (e.g., parental depression, negative parenting behaviors, poor attachment). Racial/ethnic minority adolescent mothers have increased risk for experiencing parenting stress compared to their White counterparts. Little is known about the changes in parenting stress over time for this population. Methods.-Growth mixture modeling (GMM) was conducted to determine the growth trajectory classes of 185 African American and Latina/Hispanic adolescent mothers over 2 years. Risk and protective factors (e.g., maternal depression, social support, self-esteem) were examined to determine their influence on parenting stress trajectories. Results.-Three distinct trajectories of parenting stress were found: low stable stress (40.90%), decreasing stress (35.78%), and high stable stress (23.28%). Lower maternal depression (OR = 2.35), higher self-esteem (OR = 1.29), lower perceived social support from family (OR = 0.53) and higher perceived support from friends (OR = 1.65) predicted placement into the low stable parenting stress group over the high stable parenting stress group. Adolescents living with family (OR = 2.74) and Latina race/ethnicity (OR = 2.78) also served as predictors of placement into the low stable parenting stress group. Higher self-esteem (OR = 1.66) predicted placement into the decreasing parenting stress group over the high stable parenting stress group.

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