The rate of postpartum blues incidence in Indonesia is between 50-70%. Young age pregnancy becomes a major risk trigger for mothers and children to experience physical and psychological impact resulting from postpartum blues. The aim of this research is to elaborate the correlation between postpartum blues and young age pregnancy. This research uses cross-sectional design, and the subjects are 90 respondents who experience 6-14 days postpartum blues. In addition, this research use data with Edinburgh Postnatal Depression Scale (EPDS), and standard social support questionnaire from the Postpartum Depression Predictors Inventory (PDPI). Data analysis uses logistic regression. Result: young age pregnancy is associated with postpartum blues incidences with p-value 0.042 (PR: 4.0, 95% CI: 1,0-15,2) and the related external variable is labor induction with p-value 0.004 (PR: 5.1; 95% CI: 1,6-15,7) and type of labor p 0,003 (PR: 5,1; 95% CI 1.7-15, 3). Interventions are needed for pregnant mothers with young age pregnancy andincreasing the participation of health workers, especially midwives in providing postpartum counseling on postpartum and infant care. With these intervention, it is expected that postpartum blues can be detected as early as possible and well-managed. Keywords : Postpartum blues, young age pregnancy, psychological