Table 1.

Table shows motility and viability after incubation with varied concentrations of phenol-hydroquinone.

Parameter	Control sample DMEM-F12	0.3 ppm	0.2 ppm	0.1 ppm	0.05 ppm
Motility	76 ± 6.5	2.2 ± 0.2**	12 ± 1.8**	27 ± 5.2**	30.2 ± 2.4**
Viability	59 ± 7.7	13 ± 1.0**	32 ± 3.4*	41 ± 7.8NS	49 ± 7.6NS

Values are mean ± SE: n = 10, 12; *P < 0.01, **P < 0.001; NS: not significant.