Analysis of estrogen- and progesterone-receptor expression in endometrial polyps.

Study Objective: To investigate the presence of estrogen receptors (ER) and progesterone receptors (PR) in the glandular epithelium and stroma of endometrial polyps in women who underwent hysteroscopic polypectomy.

Design: Prospective study (Canadian Task Force classification II-3.

Setting: Hospital de Servidor Público Estadual de São Paulo "Francisco Morato de Oliveira.