Fig. 5From: Recombinant human luteinizing hormone co-treatment in ovarian stimulation for assisted reproductive technology in women of advanced reproductive age: a systematic review and meta-analysis of randomized controlled trialsForest plot showing the effect of r-hFSH + r-hLH versus r-hFSH monotherapy in ovarian stimulation on the number of metaphase II oocytes: a age ≥ 35 years, b between 35 and 40 years oldBack to article page