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Gynaecology & Obstetrics Fetal Skull and Maternal Pelvis e98fc645

In a vertex presentation the diameter of engagement is:

A
Suboccipitobregmatic
B
Suboccipito-frontal
C
Occipitofrontal
D
Bitemporal
High-Yield Explanation
Ans. A. SuboccipitobregmaticFetal skulla. Mento vertical diameter =14.5cm,b. Submentovertical =11.5cm,c. Sub occipitofrontal =10cm,d. Suboccipitobregmatic =9.5cm (diameter of engagement in vertex presentation),e. Biparietal =9.5cm.

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