2. Premenopausal women per the Stages of Reproductive Aging Workshop (STRAW) criteria with the primary diagnosis of HSDD, generalized acquired type, according to DSM IV-TR criteria. The current episode must be at least 24 weeks in duration by the Baseline Visit. Secondary Female Sexual Arousal Disorder and/or Female Orgasmic Disorder are allowed. This inclusion criterion is met only if the HSDD commenced prior to Female Sexual Arousal Disorder and/or Female Orgasmic Disorder and the HSDD is of more importance to the patient, in the investigator judgement