摘要：The study of patterns of fingerprints is important in anthropology and medical genetics, chiefly because of their diagnostic usefulness. In the present work, we studied the frequencies of various types of skin ridges of the first phalanx in patients with sever oligospermia or azospermia. In a double-blind case-control study, we determined the frequencies of fingerprints in 880 first phalanxes belonging to 48 men with sever oligospermia and 40 men with azospermia. We determined the types of fingerprints based on Galton classification. Also their FRC, TFRC and AFRC were calculated. Then the results were compared with each other and general population as control group. The most frequent type of fingerprint in both case groups was "Loop". Frequencies of different types among two groups of cases were statistically different (P
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