OBJECTIVES: To evaluate abortion and fetal congenital anomaly rates in women previously submitted to radioiodine therapy for differentiated thyroid carcinoma. STUDY DESIGN: A case-control study of 108 pregnant women, 48 cases whose pregnancies were evaluated after they had undergone radioiodine therapy for differentiated thyroid carcinoma, and the control group consisted of 60 healthy pregnant women. RESULTS: Of a total of 66 pregnancies, 14 conceived within the first year, 51 one or more years after the last administration of 131I, the […]