Female pelvis Coloured Xray of the pelvis of a woman The lowest lumbar vertebra of the spinal column top centre forms a joint with the sacrum The sacrum forms the back of the pelvis upper centre and is connected to the large earshaped hip bones upper centre left and right Each hip bone is formed from three fused bones and accommodates the ball of the head of each femur thigh bone centre left and right forming the hip joints Compared to an adult male pelvis the adult female pelvis is wider and shallower
