Table 3.

Correlation of Clock and PER3 proteins and melatonin levels with other parameters

Control (n = 31)
		E2	LH	Cortisol	Progesterone	Prolactin	fT4
Melatonin	Cc	0.194	− 0.044	− 0.972	0.453	− 0.175	0.039
	P	> 0.05	> 0.05	< 0.001	< 0.05	> 0.05	> 0.05
PER3	Cc	0.185	− 0.289	− 0.015	0.439	− 0.347	− 0.288
	P	> 0.05	> 0.05	> 0.05	> 0.05	> 0.05	> 0.05
Clock	Cc	0.536	− 0.483	0.231	− 0.262	− 0.449	− 0.483
	P	< 0.05	< 0.05	> 0.05	> 0.05	< 0.05	< 0.05
Infertile (n = 35)
		E2	LH	Cortisol	Progesterone	Prolactin	fT4
Melatonin	Cc	0.062	0.450	− 0.797	− 0.130	− 0.007	0.190
	P	> 0.05	< 0.05	< 0.001	> 0.05	> 0.05	> 0.05
PER3	Cc	− 0.115	− 0.448	0.421	0.107	− 0.319	− 0.152
	P	> 0.05	< 0.05	> 0.05	> 0.05	> 0.05	> 0.05
Clock	Cc	0.017	− 0.253	0.363	− 0.242	0.016	0.207
	P	> 0.05	> 0.05	> 0.05	> 0.05	> 0.05	> 0.05

Cc correlation coefficient