Morphometric significance of 2d/4d (second digit/fourth digit) ratio in a sample of Medchal town, Telangana state

Abstract

Introduction: In both sex the length of 2nd and 4th digit (2D:4D) differs. Hence 2D:4D ratio of male is lower than female. In medico legal examination this finding plays a key role in determining sex. Aim: To estimate 2D:4D ratio in Medchal, Telangana region and evaluate difference in both male and females in both right and left digits. Materials and Methods: The sample consisted of 124 individuals (63 men and 61 women), residents of Medchal town & Dist, aged between 21 to 41 years. The subjects were randomly selected among students and public of Medchal town. Personal, behavioral and medical history data were obtained in a structured interview. All participants were in good general health and presented homogeneous socio-economic characteristics. Results: The final result of the analysis shows that 63.48% in males and 63.93% in females were sexed correctly with an overall accuracy of 64%. Conclusion: Sexual dimorphism exist in different population and age groups in right and left digits (2D:4D) ratio.