» This article's about a biological process related to reproduction; for the other use, see Capacitation (NGO). Capacitation's the penultimate step in the maturation of mammalian spermatozoa and's required to render them competent to fertilize an oocyte. This step's a biochemical event; the sperm move normally and look mature prior to capacitation. this step typically occurs after ejaculation, in the female reproductive tract. , capacitation can occur in sperm that've either undergone ejaculati… (More on Capacitation)