“…Demeestere (2016) 35 Giuseppe (2007) 24 Waxman (1987) 27 Subtotal (95% CI) Lambertini (2015) 25 Leonard (2017) 30 Moore (2015) 31 Munster (2012) 26 Song (2013) 34 Sverrisdottir (2009) and receptor negative (RR, 0.62; 95% CI, 0.33-1.14) tumors. When all patients were subdivided according to chemotherapy regimen into high toxicity vs low/medium toxicity 6 , the benefit of GnRHa therapy in preventing POI appeared to be of greater magnitude among women treated with low/medium toxicity chemotherapy (RR, 0.49; 95% CI, 0.29-0.84) compared with women treated with highly toxic chemotherapy (RR, 0.66; 95% CI, 0.45-0.96; Figure 4).…”