Transverse diameter of the pelvic outlet is:: (A) 9.5 cm, (B) 10.5 cm, (C) 11.5 cm, (D) 12.5 cm
Answer is B. Transverse diameter of the obstetrical outlet / inter-ischial tuberous diameter - 10.5 cm An inter-ischial tuberous diameter of 8 cm or less is defined as a Contracted Outlet