Table 1. Significant correlations exist between sigma-1 receptor concentration in FF and serum and ovarian reserve markers (n=130).

	bFSH	AMH	AGE	AFC	No. of oocyte retrieved	No. of available embryos
The level of serum sigma-1 receptor	R = -0.664	R = 0.590	R = -0.556	R = 0.546	R = 0.529	R = 0.536
	P = 0.000**	P = 0.000**	P = 0.000**	P = 0.000**	P = 0.000**	P = 0.000**
The level of FF sigma-1 receptor	R = -0.685	R = 0.682	R = -0.550	R = 0.531	R = 0.609	R = 0.604
	P = 0.000**	P = 0.000**	P = 0.000**	P = 0.000**	P = 0.000**	P = 0.000**

**<0.01.