<prompt> The shoest diameter of fetal head isBiparietal diameterSuboccipito-Bregmatic diameterSuboccipito-Frontal diameterBitemporal diameter  <response>: 1. The occipitofrontal 11.5 cm, which follows a line extending from a point just above the root of the nose to the most prominent poion of the occipital bone. 2. The biparietal 9.5 cm, the greatest transverse diameter of the head, which extends from one parietal boss to the other. 3. The bitemporal 8.0 cm, which is the greatest distance between the two temporal sutures. 4. The occipitomental 12.5 cm, which extends from the chin to the most prominent poion of the occiput. 5. The suboccipitobregmatic 9.5 cm, which follows a line drawn from the middle of the large fontanel to the undersurface of the occipital bone where it joins the neck.Reference: William;s Obstetrics; 24th edition; Chapter 7; Embryogenesis and Fetal Morphological Development 