According to the New England Journal of Medicine (NEJM), these are the recommended levels of daily iodine intake during pregnancy and lactation: (verywellhealth.com)
The World Health Organization recommends 250 µg / d of daily iodine intake, however, in the US, our diets usually provide enough iodine so check with your doctor to see if you need additional supplementation. (wellnessmama.com)
The most recent Food and Drug Administration's Total Diet Study also revealed that the U.S. population has adequate dietary iodine, with estimated average daily iodine intake ranging from 138 to 353 micrograms per person (8). (nutritionmayhem.com)