Abstract
The effect was studied of a preovulatory gonadotropic hormone (GTH) surge, induced by pimozide/LHRHa treatment, and of 17α-hydroxyprogesterone on oocyte maturation and ovulation and on the plasma levels of 17α-hydroxyprogesterone, 17α-hydroxy-20β-dihydroprogesterone, testosterone and estradiol. GTH and 17α-hydroxyprogesterone initially caused an increase in plasma testosterone levels, followed by an increase in
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