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Indian Journal of Forensic and Community Medicine

Sex determination by post auricular sulcus in South Karnataka

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Author Details: Raju Gouli Mahadevappa, Narasimhamurthy Shivalingaiah

Volume : 4

Issue : 3

Online ISSN : 2394-6776

Print ISSN : 2394-6768

Article First Page : 176

Article End Page : 180


The best reliable method of determining sex from skeletal remains is based on the examination of the hip bone [in nominate / pelvic bone]. However, hip bone specimens may be incomplete or fragmented.
Introduction: The purpose of present study is to identify the best-preserved regions of the hip bone with the greatest diagnostic value for sex determination. Elevation of the auricular surface, and the presence or absence of a post-auricular sulcus can distinguish between male or female.
Materials and Method: The method of visual sex determination uses the unique anatomical feature in hip bone, the efficacy of the methodology is tested on a sample of 250 hip bones of which 25 hip bones are pre-pubertal, 25 pubertal, 150 adults with child bearing age and 50 hip bones are more than 45 year age groups.
Result: The Character of hip bone is found to be typically male or female. It is possible to provide a correct sex diagnosis in 98% of all cases, with an error of 2%.
Conclusion: The post-auricular sulcus is a moderately accurate estimator of sex. Therefore, the purpose of the present study is to test the validity of using auricular surface elevation in infants and the presence or absence of the post-auricular sulcus as astrological indicators of sex in adult skeletal remain.

Human hip bone; Forensic anthropology; Sex determination; Human identification