fertility
 
 
fertility - noun
the ratio of live births in an area to the population of that area; expressed per 1000 population per year
the state of being fertile; capable of producing offspring
the property of producing abundantly and sustaining vigorous and luxuriant growth
fertility - thesaurus
birthrate
   
fecundity
   
natality
   
prolificacy
   
rankness
   
richness