Post-climax effects – Prolactin

Prolactin is primarily thought of as hormone rather than neurotransmitter. However, the central nervous system contains prolactin receptors and prolactin affects the levels of other hormones. Prolactin can affect certain dopamine and oxytocin functions.

Human

Absence of orgasm-induced prolactin secretion in a healthy multi-orgasmic male subject

The quality of sexual experience in women correlates with post-orgasmic prolactin surges: results from an experimental prototype study

Coitus-induced orgasm stimulates prolactin secretion in healthy subjects

Prolactin secretory rhythm in women: immediate and long-term alterations after sexual contact

The post-orgasmic prolactin increase following intercourse is greater than following masturbation and suggests greater satiety

Cardiovascular and endocrine alterations after masturbation-induced orgasm in women

Animal

Prolactin release after mating and genitosensory stimulation in females