Table 1  Correlation between Wnt signaling factors in the uteri of mice during the pre-implantation window.

		Wnt4		Wnt5a		Fzd2		Fzd6		Active β-catenin
		r	p	R	p	r	p	r	p	r	p
r, correlation coefficient; p, probability
Day 1	Wnt4	–	–	0.946	< 0.001	0.775	0.024	0.909	0.002	0.910	0.002
	Wnt5a	0.946	< 0.001	–	–	0.751	0.032	0.871	0.005	0.966	< 0.001
	Fzd2	0.775	0.024	0.751	0.032	–	–	0.956	< 0.001	0.766	0.027
	Fzd6	0.909	0.002	0.871	0.005	0.956	< 0.001	–	–	0.847	0.008
	Active β-catenin	0.910	0.002	0.966	< 0.001	0.766	0.027	0.847	0.008	–	–
Day 2	Wnt4	–	–	0.933	0.001	0.549	0.159	0.860	0.006	0.911	0.002
	Wnt5a	0.933	0.001	–	–	0.747	0.043	0.924	0.001	0.821	0.013
	Fzd2	0.549	0.159	0.747	0.043	–	–	0.900	0.016	0.710	0.045
	Fzd6	0.860	0.006	0.924	0.001	0.900	0.016	–	–	0.779	0.023
	Active β-catenin	0.911	0.002	0.821	0.013	0.710	0.045	0.779	0.023	–	–
Day 3	Wnt4	–	–	0.861	0.006	− 0.104	0.807	0.949	< 0.001	0.860	0.006
	Wnt5a	0.861	0.006	–	–	− 0.363	0.377	0.949	< 0.001	0.892	0.003
	Fzd2	− 0.104	0.807	− 0.363	0.377	–	–	− 0.174	0.681	− 0.441	0.274
	Fzd6	0.949	< 0.001	0.949	< 0.001	− 0.174	0.681	–	–	0.873	0.005
	Active β-catenin	0.860	0.006	0.892	0.003	− 0.441	0.274	0.873	0.005	–	–
Day 4	Wnt4	–	–	0.122	0.774	0.027	0.949	0.934	0.001	0.894	0.003
	Wnt5a	0.122	0.774	–	–	0.357	0.385	0.146	0.730	0.020	0.962
	Fzd2	0.027	0.949	0.357	0.385	–	–	0.148	0.726	0.347	0.399
	Fzd6	0.934	0.001	0.146	0.730	0.148	0.726	–	–	0.802	0.017
	Active β-catenin	0.894	0.003	0.020	0.962	0.347	0.399	0.802	0.027	–	–
Day 5	Wnt4	–	–	0.607	0.101	0.207	0.623	0.689	0.059	0.960	< 0.001
	Wnt5a	0.607	0.101	–	–	− 0.725	0.045	0.693	0.057	0.560	0.102
	Fzd2	0.207	0.623	− 0.725	0.045	–	–	− 0.449	0.265	0.134	0.752
	Fzd6	0.689	0.059	0.693	0.057	− 0.449	0.265	–	–	0.718	0.054
	Active β-catenin	0.960	< 0.001	0.560	0.102	− 0.134	0.752	0.718	0.054	–	–