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Related Experiment Videos

Fetal thyrotoxicosis in utero.

J Serup, S Petersen

    Biology of the Neonate
    |January 1, 1979
    PubMed
    Summary
    This summary is machine-generated.

    Fetal thyrotoxicosis occurred in a male fetus due to transplacental transfer of long-acting thyroid stimulator (LATS). Maternal treatment with propylthiouracil resolved fetal symptoms, indicating effective management of fetal hyperthyroidism.

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    Area of Science:

    • Endocrinology
    • Maternal-Fetal Medicine
    • Neonatology

    Background:

    • Familial predisposition to thyrotoxicosis can impact fetal health.
    • Thyroid disorders in pregnancy require careful monitoring.
    • Long-acting thyroid stimulator (LATS) is a key factor in thyrotoxicosis.

    Observation:

    • A male fetus at 26 weeks gestation exhibited hyperkinesia and tachycardia.
    • Maternal serum LATS levels showed a significant pathological increase.
    • These fetal signs suggested in utero thyrotoxicosis.

    Findings:

    • Placentally transferred LATS likely induced fetal thyrotoxicosis.
    • Maternal administration of propylthiouracil effectively treated the fetal condition.
    • The neonate displayed mild signs of neonatal thyrotoxicosis post-birth.

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    Implications:

    • This case highlights the importance of monitoring LATS in pregnancies with a history of thyrotoxicosis.
    • Maternal propylthiouracil treatment is a viable strategy for managing fetal thyrotoxicosis.
    • Understanding familial thyrotoxicosis aids in predicting and managing neonatal outcomes.