Parameters

0

1

2

3

Cervix dilation

closed

1 - 2 cm

3 - 4 cm

≥5 cm

Cervix erasure

40% - 50%

40% - 50%

60% - 70%

≥80%

Cervix consistency

firm

medium

soft

Cervix position

posterior

Central

Anterior

Positioning of the fetal presentation in relation to the sciatic spines

mobile (3 cm above)

started (2 cm above)

fixed (≤1 cm above)

engaged (1 - 2 cm below)