After delivery of the head the shoulders do not follow and the head retracts against the perineum. What is the most likely diagnosis?

Answer and explanation

Correct answer: C. Shoulder dystocia

  1. Step 1: The picture of the turtle sign after delivery of the head fits Shoulder dystocia.
Answer
Shoulder dystocia.
Why not the others: 'Cord prolapse': it presents with a palpable pulsating cord and fetal bradycardia. 'Uterine rupture': it gives sudden pain, loss of contractions and bleeding. 'Breech delivery with head entrapment': the head, not the shoulder, is trapped.

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