The flexion point in a ventouse delivery is located at which of the following positions on the fetal head?

Options

1. 3 cm posterior to the anterior fontanelle
2. 3 cm anterior to the posterior fontanelle
3. 6 cm anterior to the posterior fontanelle
4. Midway between the anterior and posterior fontanelle

Correct Answer

3 cm anterior to the posterior fontanelle

Explanation

The flexion point (also called the pivot point) in ventouse delivery is located 3 cm anterior to the posterior fontanelle along the sagittal suture. The vacuum cup should be placed over this point for optimal flexion of the fetal head.

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