Fig. 3From: Levothyroxine and the risk of adverse pregnancy outcomes in women with subclinical hypothyroidism: a systematic review and meta-analysisRandom-effects meta-analysis of pregnancy loss associated with levothyroxine treatment versus no treatment among women with subclinical hypothyroidism during pregnancy stratified by type of study (randomized clinical trials [RCT] and observational studies) presented as a risk ratio (RR) and 95% confidence interval (CI)Back to article page