Table 3.

Decidualization response is estrogen independent in the ERKO

Treatment	WT	ERKO
E, PE	70%  (7/10)	71%  (5/7)
ICI + E ICI + PE	10%  (1/10)	100%  (5/5)
Oil, P only	0%  (0/3)	100%  (2/2)

Uteri collected after the hormonal treatments described in Figs. 4 and 5 were inspected for appearance of decidual nodules and percentage of uteri responding was calculated for each treatment group. Number responding/number in each group are indicated in parentheses.