Partial breech extraction. A, After spontaneous delivery to the umbilicus, traction is applied to the infant's pelvis. When the scapulae are visible, rotation of the trunk allows delivery of the anterior shoulder. B, Delivery of the anterior shoulder by

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Partial breech extraction. A, After spontaneous
delivery to the umbilicus, traction is applied to
the infant's pelvis. When the scapulae are
visible, rotation of the trunk allows delivery of
the anterior shoulder. B, Delivery of the
anterior shoulder by downward traction. C,
Delivery of the posterior shoulder by upward
traction. The posterior arm is freed digitally by
splinting the fetal humerus (inset). D, Delivery
of the aftercoming head using Piper forceps. E,
Delivery of the aftercoming head using the
Mauriceau-Smellie-Veit maneuver. Abdominal
pressure is applied to maintain flexion of the
fetal head.
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Partial breech extraction. A, After spontaneous
delivery to the umbilicus, traction is applied to
the infant's pelvis. When the scapulae are
visible, rotation of the trunk allows delivery of
the anterior shoulder. B, Delivery of the
anterior shoulder by downward traction. C,
Delivery of the posterior shoulder by upward
traction. The posterior arm is freed digitally by
splinting the fetal humerus (inset). D, Delivery
of the aftercoming head using Piper forceps. E,
Delivery of the aftercoming head using the
Mauriceau-Smellie-Veit maneuver. Abdominal
pressure is applied to maintain flexion of the
fetal head.
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Spontaneous delivery of a mentum anterior face
presentation. Note the flexion of the head under
the symphysis pubis. The chin appears first,
followed by the nose, brow, vertex, and occiput.
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Simpson forceps applied to a mentum anterior face
presentation
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Brow presentation. Note the large presenting
diameter (occipitomental).
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