post·fer·til·iza·tion
ˌpōst-ˌfərt-ᵊl-ə-ˈzā-shən 
: occurring in the period following fertilization
the early postfertilization stages of embryonic development—
N. A. Wivel & LeRoy Walters
N. A. Wivel & LeRoy Walters
: after fertilization
changes occurring 48 hours postfertilization
Cite this Entry
“Postfertilization.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/postfertilization. Accessed 23 Jul. 2025.
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