Abstract Introduction LIM15, also known as DNA meiotic recombinase 1 (DMC1), is a meiosis-specific recombinase. LIM15 specifically expressed recombination protein in spermatogenesis. Objective Does the gene expression value measured ejaculate predict success of second micro–testicular sperm extraction (mTESE) after failed first mTESE? Methods Data from 111 men who mTESE and underwent between Au...