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Table 2 Effects of maternal exposure to carbon black nanoparticle on litter size and offspring sex ratio

From: Dose-dependent induction of astrocyte activation and reactive astrogliosis in mouse brain following maternal exposure to carbon black nanoparticle

Group name Number of dams Number of offspring Sex ratio (%)a
Control (Ultra-pure water) 5 16 ± 2 47 ± 16
Low-dose CB-NP (2.9 μg/kg) 5 15 ± 2 44 ± 9
Middle dose CB-NP (15 μg/kg) 5 14 ± 2 42 ± 9
High dose CB-NP (73 μg/kg) 5 16 ± 2 53 ± 13
  1. There were no significant between-group differences. Data are presented as the mean ± standard deviation. aSex ratio (%) = male/(male + female) × 100. Abbreviations: CB-NP carbon black nanoparticle