Objective To analyze the research hotspots and current status of fertility preservation in cancer patients in China in the past 20 years,and to provide reference for follow-up studies.Methods The literature related to fertility preservation in cancer patients published ...MORE Objective To analyze the research hotspots and current status of fertility preservation in cancer patients in China in the past 20 years,and to provide reference for follow-up studies.Methods The literature related to fertility preservation in cancer patients published from January 1,2002 to June 30,2022 in China Knowled...