Study To Investigate Effect Of A New Drug (PF-00446687) In Post-Menopausal Women Who Suffer From Sexual Dysfunction.

Inclusion Criteria: * Women who have evidence of Female Sexual Arousal Disorder. * Women who experience personal distress due to Female Sexual Dysfunction. * Post menopausal women aged between 45 and 65 years. Exclusion Criteria: * Women whose sexual dysfunction is limited to certain types of stimulation, situation or specific partners. * Women who experience pain with sexual intercourse or who have a sexual aversion disorder. * Women suffering from female sexual dysfunction where the cause is treatable, for example inadequately controlled diabetes or thyroid dysfunction.