Fig. 2From: Antithyroid drugs and birth defectsMain results from the observational studies [17,18,19,20,21] that found no association between the use of antihyroid drugs in early pregnancy and birth defects. The figure illustrates the prevalence of birth defects in non-exposed children and in children exposed to maternal treatment with Propylthiouracil (PTU) or Methimazole (MMI) in early pregnancyBack to article page