Fig. 3
From: Meta-analysis of ART outcomes in women with different preconception TSH levels
a-d Forest plots of studies comparing the number of live birth (a); clinical pregnancy (b); pregnancy (c); miscarriage (d) between subclinical SCH (TSH cut-off value is 3.5–5.0 mIU/L) and euthyroid individuals. The rhombus represents the OR and 95% CI obtained for the combined calculation