A female newborn is delivered at term to a 35-year-old primigravid woman. Pregnancy was complicated by untreated maternal Graves disease. Her respirations are 66/min. Physical examination shows stridor, nasal flaring, intercostal retractions, and an asymmetric neck mass. Which of the following is the most likely cause of the newborn's stridor? A) Cystic hygroma BYEnlarged thyroid gland C) Thyroglossal duct cyst D) Tracheomalacia E) Vascular ring
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This can lead to fetal hyperthyroidism if maternal antibodies cross the placenta. Symptoms of neonatal hyperthyroidism can include tachycardia, irritability, and failure to gain weight. In severe cases, it can cause fetal goiter (enlarged thyroid gland) due to the Show more…
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