Table 4.

Mean ± SEM Number of Pups per Litter and Emergence of Developmental Milestones During the Neonatal Period

Exposure-by-sex Group	Number of pups on PND0	Pinnae Detachment (PND)	Incisor Eruption (PND)	Eyes Open (PND)	Puberty Onset (PND)
0 ppm male (n = 11)	3.7, 0.26	3.4, 0.13	11.3, 0.12	13.4, 0.18	24.2, 0.25
0 ppm female (n = 11)	3.3, 0.27	3.5, 0.14	11.2, 0.16	13.5, 0.16	29.1, 0.34
8 ppm male (n = 10)	3.9, 0.42	3.6, 0.17	11.3, 0.19	13.6, 0.18	24.2, 0.37
8 ppm female (n = 11)	4.1, 0.44	3.7, 0.17	11.3, 0.15	13.8, 0.22	28.7, 0.64
25 ppm male (n = 9)	4.5, 0.46	3.8, 0.23	11.5, 0.19	13.6, 0.23	24.6, 0.24
25 ppm female (n = 11)	3.5, 0.34	3.7, 0.18	11.2, 0.18	13.7, 0.18	29.0, 0.42
80 ppm male (n = 10)	2.9, 0.40	3.8, 0.27	11.7, 0.28	13.9, 0.31	25.0, 0.49
80 ppm female (n = 9)	3.3, 0.47	4.1, 0.29	11.5, 0.26	13.9, 0.29	29.7, 0.51