Cuscuta australis R.Br. is one of the dodder species that live as a parasite to the “graden-fence” herbs. It contains phytosteroids compound that expected having estrogenic activity in individual who consume it. The purpose of this research is to measure the ovaries weight and the level of estrogen hormone in blood of Rattus norvegicus L. as the effect of C. australis R.Br. infusion. Treatm…