You will be surprised to know that according to research the length of our index and ring fingers could provide a clue to our sexuality. Researchers at the University of Essex in the UK said that typically in women the index (second) and ring (fourth) fingers are of similar length, while in men there is a greater difference between the two.
Earlier research has revealed a potential link between pre-natal hormone levels and differences in finger length, with those exposed to higher levels of 'male' hormone more likely to have 'male-typical' hands. According to the study published in the journal Archives of Sexual Behaviour. Both men and women are exposed to the 'male' hormone testosterone in the womb.
Watts, who worked on the study with Gerulf Rieger, both from Essex siad "Because identical twins, who share 100 per cent of their genes, can differ in their sexual orientations, factors other than genetics must account for the differences. Watss conlcudes, because of the link between hormone levels and difference in finger lengths, looking at someone's hands could provide a clue to their sexuality.