Page 56 - 2023 Elctronic Book (3) Normal Labor_Neat

II-Expulsion of the Fetus

A- Delivery of the Head: The following movements occur in the head during its
delivery:

1- Descent. 2- Engagement.

3- Increased flexion. 4- Internal rotation.

5- Extension. 6-Restitution.

7-External rotation.

1-Descent:

▪ It refers to the progress of the presenting part through the pelvis.
▪ The degree of descent is measured by the station of the presenting part.

▪ Little descent occurs during the latent phase of first stage of labor &acceleration
in the active phase when the cervix has dilated to 5-7cm

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