ATP Content in Human Semen and Sperm Quality

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Abstract
Five semen characteristics (count, motility, normal forms, bovine cervical mucus penetration, and ATP) were evaluated in patients attending the infertility clinic. Multiple regression analysis indicated that the only characteristic independently affecting ATP concentration was sperm count, whereas motility and percent normal forms had no additional contribution to ATP level. Penetration into bovine cervical mucus did not depend on ATP levels. Comparison of semen characteristics in the same group between patients who have impregnated their wives and those who have not indicated that with respect to count, motility, morphology, and ATP the only sperm characteristic independently predicting fertility was motility. ATP measurements have limited value in the evaluation of semen quality.