inviable
adjective
in·vi·a·ble (ˌ)in-ˈvī-ə-bəl 
: incapable of surviving especially because of a deleterious genetic constitution
inviability
(ˌ)in-ˌvī-ə-ˈbi-lə-tē
noun 
Example Sentences
Recent Examples on the Web However, while both early embryos and late fetuses can become inviable due to genetic errors, early and late abortions are regulated very differently. 
Kathryn Kavanagh, The Conversation, 1 Sep. 2022
Kathryn Kavanagh, The Conversation, 1 Sep. 2022 Word History
Etymology
International Scientific Vocabulary
First Known Use
1918, in the meaning defined above
Medical Definition
inviable
adjective
in·vi·a·ble (ˈ)in-ˈvī-ə-bəl
: incapable of surviving especially because of a deleterious genetic constitution