This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Gynaecology & Obstetrics
Largest fetal head diameter: March 2009, March 2013 
Select and explain. 
A. Occipitofrontal, B. Suboccipitofrontal, C. Mentoveical, D. Submentoveical
C: Mentoveical
Answer: C: Mentoveical 
Explanation: Ans. C: Mentoveical Occipitofrontal (11.5 cm)-extends from the occipital eminence to the root of the nose Suboccipitofrontal (10 cm)-extends from the nape of the neck to the anterior end of the anterior fontanelle Mentoveical (14 cm)-extends from the midpoint of the chin to the highest point on the sagittal suture Submentoveical (11.5 cm)-extends from the junction of floor of the mouth and neck to the highest point on the sagittal suture.