There are several synonyms that can be used in place of the phrase "restoration of fertility." One alternative term is "fertility restoration," which refers to the process of returning someone's fertility back to its normal state. Another option is "reestablishment of fertility," which similarly depicts the act of reinstating someone's fertility functionality. A more concise term for the same concept may be "fertility renewal," which conveys the idea of giving someone a new chance to conceive. Finally, the term "fertility rehabilitation" can also be used in this context, suggesting the notion of restoring fertility as if it were a physical impairment.