Novel male contraceptives.

Male contraception is relied upon by many couples around the world in the form of condoms, vasectomy, and withdrawal. Novel male contraceptives are a collection of interventions in development including hormonal, non-hormonal, immunological and reversible vas-occlusive methods. A large multinational trial of a novel hormonal contraceptive has recently concluded, and while the results are awaited, this narrative review discusses the field and potential methods on the horizon.