Introduction
The hypothalamic peptide oxytocin (OXT) has a broad profile of effects ranging from labor induction and lactationFluctuations of sex hormones along the menstrual cycle impact rsFCEvidence for EST-OXT interactions derive from animal models showing that EST and OXT modulate the synaptic plasticity in the medial nucleus of the amygdala in male ratsOur first hypothesis was that under placebo men and women would differ in their amygdala and hippocampus rsFC