The American Academy of Pediatrics recommends daily iodine consumption of 220 to 290 micrograms for pregnant and breast-feeding women, respectively, to promote babies' brain development, but only about 15% of women take supplements containing adequate iodide, the group said. Pregnant or lactating women should avoid nitrate and thiocyanate because they could disrupt the processing of iodine into hormones, according to the group's statement published in the journal Pediatrics.

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