[Antenatal diagnosis of the thyroid governor: study of a case and review of the literature]

Fetal goitrous hypothyroidism is a rare disorder, usually associated with maternal thyroid disease, rarely due to fetal hormono-synthesis disorders. We present a case of a fetal goiter diagnosed by ultrasonography in the third trimester of pregnancy. The child was born by caesarian and had a large homogeneous goiter with hypothyroidism [TSH > 50 mUI/L ]. L-thyroxine therapy was started and resulted in normal growth and development