Table 4.

Effect of Withania somnifera Dunal and Tribulus terrestris Linn on weight of ovary and uterus in letrozole induced polycystic ovarian syndrome

Groups	Treatment	Weight of ovary	Weight of uterus
		(mg/100 g of BW)	(mg/100 g of BW)
Negative control	1 mL of 0.5%CMC	20.74 ± 1.33	132.51 ± 7.96
Positive control	Letrozole 1 mg/kg	33.72 ± 0.49*,†	80.60 ± 5.79*,‡
Test group	Letrozole1 mg/kg + WS + TT 198 mg/kg	29.62 ± 1.61	101.69 ± 8.23
Standard group	Letrozole 1 mg/kg + CC 1 mg/kg	24.22 ± 1.05§,†	82.10 ± 4.55

Analyzed by Kruskal–Wallis test with Dunn's compare all pair of columns.

Data are expressed as mean ± SEM. (N = 6 animals in each group).

^*With respect to negative control.

^†p < 0.001.

^‡p < 0.01.

^§With respect to positive control.

BW, body weight; CC, clomiphene citrate; CMC, carboxy methyl cellulose; SEM, standard error of mean; TT, Tribulus terrestris, WS, Withania somnifera.