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Moscicka
[The influence of iodine deficiency during pregnancy of fetal and neonatal development]Moscicka A, Gadzinowski J. Ginekol Pol. 2001 Nov;72(11):908-16. Review. Polish. [abstract only]
"The iodine is
fundamental substrate for thyroid hormones synthesis. Thyroxine
and triiodothyronine play a crucial role in human brain
development and maturation. It is well known, that not only
fetal, but also maternal thyroid hormones are essential for
normal prenatal central nervous system development. During
pregnancy complex changes of maternal thyroid function occur and
they are influenced by the maternal iodine supply. With
decreasing iodine intake, maternal goiter and hypothyroxinemia as
well as fetal and neonatal hypothyroidism become more prevalent.
The severity of iodine deficiency and hypothyroidism in the
mother during early and midgestation is related to the severity
of the neural damage in the fetus. In severe iodine deficiency,
central nervous system damage is already irreversible at birth
and can only be prevented by correction of the maternal iodine
deficiency early in pregnancy. Therefore iodine supplementation
during pregnancy is now strongly recommended."
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