» This article is about a biological process related to reproduction; for the other use, see Capacitation (NGO). Capacitation is the penultimate step in the maturation of mammalian spermatozoa and is required to render them competent to fertilize an oocyte. This step is 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 have either undergone eja… (More on Capacitation)