Fig. 6

Bar graph: subgroup analysis of therapeutic dose, treatment duration, route of intervention, and induction agents. A to D AMH level, E to H E2 level, I to L FSH level, M to P LH level, Q to T P level. The vertical error bars represent the 95% CI for the subgroup estimates, and the horizontal blue bars represent the 95% CI of the pooled estimate of efficacy. SMD indicates standardized mean difference