Parameters

1st group

2nd group

3rd group

4th group

Number of examined fetuses

24

24

24

24

Skull

-

2 (8.33%)

3 (12.5%)

-

Sternbrea

-

2 (8.33%)

4 (16.66%)

-

Ribs

-

-

1 (4.16%)

-

Digital bone

-

1 (4.16%)

3 (12.5%)

-

Caudal vertebrae

-

2 (8.33%)

3 (12.5%)

-