Template:Human Fertilization Movie 2 frame table

Approximate Timing of Early Human Events (in vitro)
20 min - components	28 min - spermatozoa penetrates zone pellucida	31 min - spermatozoa penetrates oocyte - fertilization
See also clock in lower righthand corner for the approximate timing of events.
Links: Human Fertilization Detail Movie | Human Fertilization Movie		Reference: PMID 22695746 J Assist Reprod Genet.