Sixty-six patients have been treated with Panax Ginseng C.A. Meyer ext
ract, of whom 30 oligoastenospermic sine causa (group A), 16 oligoaste
nospermic with idiopathic varicocele (group B). Twenty age-matched vol
unteers were used as controls (group C), Use of Panax Ginseng extract
showed an increase in spermatozoa number/ml and progressive oscillatin
g motility, an increase in plasma total and free testosterone, DHT, FS
H and LH levels, but a decrease in mean PRL, It is suggested that gins
enosides may have an effect at different levels of the hypothalamus-pi
tuitary-testis arris.