Distribution of maternal mental health status according to pregnancy intention. ● Intended ■ Unintended. Note. (a) the prevalence of maternal depressive symptoms, (b) the mean maternal depression score, and (c) the mean maternal parenting stress score according to pregnancy intention. Data are adjusted for maternal age, birth order, maternal education, paternal occupation and household income. Error bars indicate 95% confidence interval. *P < 0.05, **P < 0.01.