WMale contraceptive
WAdjudin
WAnabolic steroid
WAreca vestiaria
WCondom
WDesogestrel
WDimethandrolone
WDimethandrolone buciclate
WDimethandrolone dodecylcarbonate
WDimethandrolone undecanoate
WEtonogestrel
WGamendazole
WGossypol
WJQ1
WLevonorgestrel butanoate
W11β-Methyl-19-nortestosterone dodecylcarbonate
W11β-Methyl-19-nortestosterone
WNandrolone hexyloxyphenylpropionate
WNon-penetrative sex
WProgestogen (medication)
WReversible inhibition of sperm under guidance
WSegesterone acetate
WSperm granuloma
WTestosterone buciclate
WTestosterone undecanoate
WTrestolone
WVas-occlusive contraception
WVasectomy
WVasitis nodosa