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Values are presented as mean±standard deviation or number (%). Different superscript letters indicate significant differences (p<0.05).
IVF, in vitro fertilization; ICSI, intracytoplasmic sperm injection; DFI, DNA fragmentation index; ET, embryos transferred.
a)Fertilization rate (%)=(number of fertilized oocytes/number of oocytes inseminated or that underwent ICSI)×100.
