Slacker
Forum Elite
Topics: 29
Posts: 141
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When u do a radioactive 131I uptake test on a pregnant woman, then the child can develpe cretinism. Does ne one know the mechanism of that. how can the child develope hypothyriodism from this???
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| mildus
Forum Guru
Topics: 19
Posts: 614
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Because 131I has beta emission which can distroy thyreoid tissue, I suppose.
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| ndspider
Forum Senior
Topics: 5
Posts: 69
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Any chemical/drug that can cross the BBB barier can also cross the placenta.
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| drpkaur
Forum Guru
Topics: 195
Posts: 808
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. Most thyroid medications will have no effect on the baby. The exception to this generality is the administration of radioactive iodine to the mother during pregnancy. Radioactive iodine can cross the placenta and it can destroy thyroid cells in the fetus and develops hypothyroidism in child...
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