The effect of anabolic steroids on spermatogenesis occurs through a negative feedback of the hypothalamic-hypoflex-gonodal axis, inhibiting both the hypothalamic secretion of GNHR and the pituitary FSH and LH.
But male infertility depends also on a descriptive evaluation of the parameters studied after ejaculation, with emphasis on the concentration, morphology, motility and vitality of spermatozoa.
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