Question 296 · LEK · Abnormal head presentation
A spontaneous vaginal delivery in a full-term pregnancy is not possible in the case of:
- A. vertex presentation.
- B. sinciput presentation.
- C. occiput posterior presentation.
- D. face presentation (anterior type).
- E. face presentation (posterior type).
Hint
Consider whether a maximally extended head can still pivot under the symphysis when the chin points toward the sacrum.
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