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Evaluation of the obturator foramen as a sex assessment trait

Rennie, SR, Eliopoulos, C and Gonzalez, S (2022) Evaluation of the obturator foramen as a sex assessment trait. Forensic Science, Medicine, and Pathology. ISSN 1547-769X

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Open Access URL: https://doi.org/10.1007/s12024-022-00514-0 (Published version)


Correctly assessing sex from skeletal remains is one of the main elements of creating a biological profile. Many traits allow for this, the obturator foramen being one. However, research on its accuracy has provided mixed results. This study examines the obturator foramen using a 5-point grading scale to assess the degree of sexual dimorphism in four known age and sex skeletal collections from the UK and South Africa. Overall, sexual dimorphism was found in the obturator foramen when using the new scoring system; however, accuracies for correct sex classification ranged from ~ 46 to ~ 75%. Considering its wide range in accuracy rates across the four samples and difficulty in identifying the subtle changes in morphology, the obturator foramen should only be used as part of a multifactorial assessment of sex.

Item Type: Article
Uncontrolled Keywords: Forensic anthropology; Obturator foramen; Pelvis; Sex determination; Sexual dimorphism; Legal & Forensic Medicine; 1103 Clinical Sciences
Subjects: Q Science > QM Human anatomy
Divisions: Biological & Environmental Sciences (from Sep 19)
Publisher: Springer
SWORD Depositor: A Symplectic
Date Deposited: 15 Sep 2022 11:36
Last Modified: 15 Sep 2022 11:45
DOI or ID number: 10.1007/s12024-022-00514-0
URI: https://researchonline.ljmu.ac.uk/id/eprint/17587
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