Perinatal common mental health disorders (CMDs) remain major yet under-recognized public health concerns in low-and middle-income countries (LMICs), where women face a dual burden of biological vulnerability and social adversity.This longitudinal cohort study provides rare integrated evidence from Pakistan demonstrating that readily measurable and highly prevalent nutritional deficiencies, particularly low hemoglobin and vitamin D levels, significantly influence perinatal mental health, and that social support both directly protects mothers and mediates biological risk.These findings highlight actionable and scalable pathways for early identification and intervention through existing
Malik et al. (Wed,) studied this question.