Fig. 2
From: Two laser-assisted hatching methods of embryos in ART: a systematic review and meta-analysis
Clinical pregnancy.The forest plot of D-LAH and T-LAH clinical pregnancy. a A total of 9 studies were included in this meta-analysis showing that there was no significant difference between D-LAH and T-LAH in clinical pregnancy. b-e The subgroup analysis, fresh embryo, frozen embryo, RCT studies and non-RCT studies in clinical pregnancy that there were no significant difference of two methods. a clinical pregnancy; b clinical pregnancy (fresh embryo); c clinical pregnancy (frozen embryo); d clinical pregnancy (RCT studies); e clinical pregnancy (non-RCT studies)