Definition of preimplantation in English:

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Pronunciation: /ˌprēimˌplanˈtāSH(ə)n/


Zoology & Medicine
Occurring or existing between the fertilization of an ovum and its implantation in the wall of the uterus.
Example sentences
  • As a result of these provisions, it can be said that English law divides human pregnancy into three stages for the purposes of abortion law: pre-implantation, between implantation and twenty-four weeks, and after twenty-four weeks.
  • The guidelines state that pre-implantation genetic diagnosis for anything will be considered on a case-by-case basis.
  • The technique pioneered by the team could be used for pre-implantation genetic diagnosis.

For editors and proofreaders

Syllabification: pre·im·plan·ta·tion

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