Viability n. : The quality or state of being viable.

Viability n. : The capacity of living after birth.

Viability n. : The capacity of living, or being distributed, over wide geographical limits; as, the viability of a species.

Example:
What is the point of Viability during pregnancy?

Taxonomy
limit of viability, free encyclopedia, capacity, search, free dictionary, survival, favorable conditions, contexts, uterus, artificial support, babies, early stage, live birth, conservation target, many generations, disambiguation pages, ectopic pregnancy, time periods.

Defination from the web:
viability in environmental conservation indicates the ability of a conservation target to persist for many generations or over long time periods. viability of cells and tissues in experimental biology refers to the extent to which those cells and tissues are living. ...