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Table 4 Skeletal and visceral malformations or anomalies of fetuses from dams treated with Tityus bahiensis venom (2.5 mg/kg), on the 5th (GD5) or 10th (GD10) gestational day

From: Mild reproductive effects of the Tityus bahiensis scorpion venom in rats

Parameter

Control

GD5

p values

GD10

p values

External malformations

Number of affected fetuses

0/133

2/115

0.2140

0/129

–

Number of affected offspring

0/10

1/10

1.0000

0/10

–

External anomalies

Number of affected fetuses

0/133

0/115

–

0/129

–

Number of affected offspring

0/10

0/10

–

0/10

–

Skeletal malformations

Number of affected fetuses

0/66

0/46

–

0/53

–

Number of affected offspring

0/10

0/10

–

0/10

–

Skeletal anomalies

Number of affected fetuses

10/66

11/46

0.3255

36/53*

< 0.0001

Number of affected offspring

4/10

5/10

1.0000

10/10*

0.0108

Deformity of interparietal bone

10/66

11/46

0.3255

36/53*

< 0.0001

Fused ribs

1/66

1/46

1.0000

2/53

0.5848

Shared vertebra

1/66

3/46

0.3036

0/53

1.0000

Rudimentary rib

0/66

0/46

–

1/53

0.4454

Visceral malformations

Number of affected fetuses

0/67

2/57

0.2093

0/64

–

Number of affected offspring

0/10

1/10

1.000

0/10

–

Visceral anomalies

Number of affected fetuses

1/67

2/57

0.5936

3/64

0.3579

Number of affected offspring

1/10

2/10

0.2727

3/10

0.3636

Cerebral hemorrhage

1/67

3/57

0.3328

3/64

0.3579

  1. *Significantly different from control; p < 0.05, Fisher exact test.