Table 7.

Histological changes in the uterus and endometrium after treatment with extracts.

Treatment (Dose)	Diameter of uterus (µm ± S.D)	Thickness of endometrium (µm ± S.D)	Height of endometrial epithelium (µm ± S.D)
Control	330.54 ± 5.25 a	54.14 ± 2.12 a	17.4 ± 0.25 a
Ethinyl Estradiol (1 µg/rat per day)	821.45 ± 6.25 a	230.45 ± 15.15 a	65.52 ± 4.18 a
APB (500 mg/kg)	515.15 ± 8.66c	145.20 ± 4.59c	30.00 ± 1.43b
Ethinyl Estradiol (1 µg/rat per day) +APB (500 mg/kg)	725.50 ± 6.56c	278.73 ± 5.29c	58.42 ± 2.26a
Ethinyl Estradiol (1 µg/rat per day) +WPB (500 mg/kg)	745.05 ± 4.04c	279.12 ± 5.10c	54.12 ± 2.52a

Values are expressed as mean ± S.D.

P values a = P < 0.05, b = P < 0.01, c = P < 0.001 when compared with normal control.