• H Mellerio, C-L Gay, M G Forest, J Orgiazzi, and M Nicolino.
• Service d'endocrinologie et de diabétologie pédiatriques, hôpital Femme-Mère-Enfant, hospices civils de Lyon, 59, boulevard Pinel, 69677 Bron/Lyon cedex, France. hmellerio@yahoo.fr
• Arch Pediatr. 2010 May 1;17(5):511-6.

AbstractMany disorders have been described in infants exposed to carbimazole during the first weeks of pregnancy. The most common of them are congenital aplasia cutis, choanal atresia and esophageal atresia. Rather unspecific dysmorphic features and developmental delay have also been reported. This set of congenital malformations suggests the existence of a phenotype of carbimazole embryopathy. To date, about 30 cases have been reported. We report on a new case of pregnancy accidentally conducted under carbimazole which gave birth to a newborn presenting with a hypertrophic pyloric stenosis associated with hiatus hernia and tracheomalacia. These anomalies have been associated with other malformations already identified in children exposed in utero to carbimazole such as scalp defects, retrognathia and gothic palate. As no relation between propylthiouracil and congenital malformations has yet been described, this drug seems highly preferable for pregnant women presenting with hyperthyroidism during the 1st trimester of their pregnancy.Copyright 2010 Elsevier Masson SAS. All rights reserved.

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