TABLE 1.

Summary of immunoreactive staining of ERα, ERβ, and PELP1 in the human endometrium

	Proliferative				Secretory				Postmenopausal
	Epithelium		Stroma		Epithelium		Stroma		Epithelium		Stroma
Staining	Staining intensity	N/C	Staining intensity	N/C	Staining intensity	N/C	Staining intensity	N/C	Staining intensity	N/C	Staining intensity	N/C
ERα	3+	N	3+	N	2+	N	1+	N	3+	N	3+	N
ERβ	2+	C	1+	C	2+	C	2+	C	2+	C	1+	C
PELP1	2–3+	N/C	2–3+	N/C	2+	N/C	2+	N/C	2+	C	1+	C

1–3 represents the intensity of staining: 1 = weak, 2 = moderate, 3 = strong. N, Nuclear; C, cytoplasm.