Spermatozoa from nine asthenozoospermic patients were incubated for 3 h in Krebs Phosphate Ringer (KRP), supplemented or not with 17 beta-estradiol. 17 beta-estradiol increased the mean velocity and maintained the percentage of motility during the first 2 h of incubation. Oxydative metabolism and intracellular ATP concentrations were enhanced, too, whereas glycolysis remained unchanged.
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Idaomar et al. (1989) studied this question.
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