Table 2.

Metal content in follicular fluid

Metals n (%)	N > LOQ	% >LOQ	mg/kg
Essential metals
Cu	85	92.39	0.88 ±.0.30
Fe	88	95.65	15.48 ± 13.89
Fe*	–	–	11.2 (7.0;17.8)
Zn	85	92.39	1.14 ± 0.39
Mn	58	63.04	0.04 ± 0.01
Non-essential metals
Ba	11	11.96	0.06 ± 0.07
Al	65	70.65	0.66 ± 0.66
Al*	–	–	0.50 (0.32;0.80)
Ni	11	11.96	0.31 ± 0.41
Pb	2	2.17	–
Sr	1	1.09	–
Macroelements
Ca	85	92.39	148.51 ± 49.24
K	86	93.48	332.47± 118.73
Mg	10	10.87	68.80 ± 6.75
Na	90	97.83	4550.45± 1299.24

*Median (interquartile range)