Experimental endometriosis reduction in rats treated with Uncaria tomentosa (cat's claw) extract.

Objective: The aim of this study was to analyze the macroscopic and histological changes that occur in experimental endometriosis after treatment with Uncaria tomentosa.

Study Design: Experimental endometriosis was induced in twenty-five female Wistar rats. After three weeks, 24 animals developed grade III experimental endometriosis and were divided into two groups.