An odd find has been from Denmark, where the male 2D:4D was higher than in all other reported populations, including values higher than in women in most populations: http://humrep.oxfordjournals.org/cgi/content/abstract/20/11/3109
The 2D:4D literature in general is not very good and one shouldn’t make much of an individual study here and there. Finger lengths are affected by many factors apart from sex hormones, and some men are going to have higher 2D:4D than many women in spite of being more masculine than women in general just as the typical man who is shorter than the majority of women still has much higher testosterone levels than the majority of women.
Nevertheless, the general find is that Nordic men, except for the odd Danish find, have the lowest 2D:4D in Europe, and two studies show the greatest male-female gaps among the Scandinavians.
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