Transverse diameter of the female mid-pelvic plane is: March 2011: (A) 9.5, (B) 10.5, (C) 11.5, (D) 12.5
Answer is B. Ans. B: 10.5 Transverse diameter of the mid-pelvis/ bispinous (10.5): It measures between the 2 ischial spines Diameters: Shoest diameter of pelvic inlet: Obstetrical conjugate 2nd Shoest diameter of fetal skull: Bitemporal 2nd Largest diameter of fetal skull: Submentoveical