The research on this page elucidates dopamine’s role in sexual arousal. It may be somewhat different in women than men.
Lack of Increase in Sexual Drive and Function After Dopaminergic Stimulation in Women
Influences of dopamine and glutamate in the medial preoptic area on male sexual behavior
The human sexual response cycle: brain imaging evidence linking sex to other pleasures
Dynamic increases in dopamine during paced copulation in the female rat