oncofertility

noun

on·​co·​fer·​til·​i·​ty ˌäŋ-kō-fər-ˈtil-ə-tē 

: a field of medicine concerned with minimizing the negative effects of cancer treatment (such as chemotherapy or radiation) on the reproductive system and fertility and with assisting individuals with reproductive impairments resulting from cancer therapy

Note: Oncofertility procedures may include collecting and freezing eggs, sperm, or ovarian tissue before cancer treatment begins or using donor eggs or sperm when impaired fertility follows cancer treatment.