Table 3 Weights of fetuses, placentas and some internal organs of fetuses from dams treated with Tityus bahiensis venom (2.5 mg/kg) on the 5th (GD5) or 10th (GD10) gestational day

Fetal weight (g)

5.10 ± 0.07

133

5.70 ± 0.04*

115

5.44 ± 0.04*

129

< 0.0001

Absolute placental weight (g)

0.49 ± 0.01

133

0.54 ± 0.01*

115

0.53 ± 0.01*

129

0.0010

Relative placental weight (%)

9.31 ± 0.29

133

9.96 ± 0.21

115

9.63 ± 0.14

129

0.6443

Absolute liver weight (g)

0.47 ± 0.01

66

0.49 ± 0.01

58

0.58 ± 0.01*

65

< 0.0001

Relative liver weight (%)

8.63 ± 2.06

66

8.78 ± 1.87

58

10.49 ± 1.34*

65

< 0.0001

Absolute lung weight (g)

0.14 ± 0.002

66

0.15 ± 0.003*

58

0.15 ± 0.002*

65

0.0107

Relative lung weight (%)

2.59 ± 0.05

66

2.76 ± 0.05*

58

2.79 ± 0.04*

65

0.0510

Absolute heart weight (g)

0.04 ± 0.001

66

0.06 ± 0.001*

58

0.05 ± 0.001*

65

< 0.0001

Relative heart weight (%)

0.83 ± 0.16

66

1.06 ± 0.16*

58

0.93 ± 0.14*

65

< 0.0001

Absolute kidney weight (g)^≠

0.04 ± 0.001

66

0.04 ± 0.001

58

0.04 ± 0.001

65

0.5047

Relative kidney weight (%)

0.69 ± 0.02

66

0.67 ± 0.02

58

0.74 ± 0.02

65

0.0746

Crown-rump length (cm)

3.33 ± 0.02

66

3.47 ± 0.02*

46

3.35 ± 0.02

53

0.0002