SEX DIFFERENCES IN SACRA IN THE PUNJAB REGION

Seventy four sacra in the Punjab region of Pakistan were studied; these were collected from the Departments of Anatomy, Fatima Jinnah Medical College (FJMC), Services Institute of Medical Sciences (SIMS) and Combined Military Hospital Medical Colleges (CMHMC), Lahore. Various Points on the sacra were demarked and seven different parameters were measured and the percentage of bones identified by the demarking points (DP). The data of the Punjab region, thus was collected was compared with data available from the Agra region, India. Among the mea- surements recorded, it was noticed that the demarking points of length of sacrum and its sur- face were reliable for sex differentiation. Furthermore, the sacral and the auricular indices were most dependable for determining the sex of the sacra, accuracy is 100%, any single parameter may not identify sex of the bones in 100% cases.