Marriage fertility is a phrase that refers to the ability of married individuals to have children. However, there are numerous synonyms that can be used instead of this phrase. Some examples include procreation, fecundity, reproductive potential, fertility rate, and conception ability. These words all convey the same meaning, but in slightly different ways. Procreation emphasizes the act of creating new life, while fecundity suggests a high degree of fruitfulness or productivity. Reproductive potential refers specifically to an individual's ability to have children, while fertility rate describes the number of children born to a specific population. Conception ability simply refers to the ability to conceive a child. All of these words can be used interchangeably with marriage fertility.