Worldwide Data suggest that Iodine deficiency is a concern among healthy pregnant women. Thus, screening first trimester healthy pregnant women for iodine status is of clinical value for mother and child as iodine deficiency might have implications on thyroid function as well as pregnancy outcomes

New emerging data suggest pregnant women in Israel are iodine deficient in the first trimester of pregnancy. This is of major concern as first trimester iodine sufficiency is critical for the development of the fetal brain. Our aim is to evaluate iodine consumption in first trimester pregnant women in Israel through dietary questioners, Urinary iodine samples and thyroid functions test assessed through blood samples. All data will be analyzed in a central lab.

Inclusion Criteria: First trimester pregnant women with a singleton pregnancy

Exclusion Criteria:

1. Women with a known thyroid disease treated or untreated
2. Women who received contrast material in the year previous to the study
3. women with any chronic disease
4. Women who receive chronic medication not including vitamins

Female

First trimester pregnant women in Israel