Fig. 4From: Performing ICSI within 4 hours after denudation optimizes clinical outcomes in ICSI cyclesSubgroup analysis between DN-ICSI interval and available embryo rate according to HCG-OPU interval. a When HCG-OPU interval was < 37 h; b When HCG-OPU interval was 37-38 h; c When HCG-OPU interval was > 38 hBack to article page