Preference-aligned fertility management among married adolescent girls in Northern Nigeria: assessing a new measure of contraceptive autonomy.

PFM captured meaningful discordance between contraceptive use desires and behaviours in this cohort of married Nigerian adolescent girls. Observed discordance in both directions provides actionable insights for intervention. PFM is a promising rights-focused FP outcome measure that warrants future field-testing in programmatic and population-based research.