The infusion of the dried cáa-heê leaves reduced the male and female mouse sexual organ weight (the latest principaly). After the administration of the infusion at 1% for period of 30 days (for females) and 60 days (male testicles) this effect was more evident. The inhibitory influence of the dried cáa-heê leaves chaged with the dose (Concentration of the infusion) and with the duration of the treatment.