Table 2

Developmental characteristics

MeasureControlNicotine (μM)
110100
Yolk sac diameter (mm)4.68  ± 0.074.72  ± 0.044.60  ± 0.034.66  ± 0.03
Crown-rump length (mm)4.16  ± 0.034.14  ± 0.034.06  ± 0.034.08  ± 0.02
Developmental score48.0  ± 0.447.2  ± 0.447.0  ± 0.546.8  ± 0.4
No. of somites27.8  ± 0.427.8  ± 0.427.0  ± 0.527.2  ± 0.7
  • Data represent mean and standard error from four morphologically normal embryos in each group. None of the values in the treatment groups differs significantly from control (one-factor ANOVA).