Overall and specific dietary supplement use in pregnant women of the NutriNet-Santé cohort study, according to the trimester of pregnancy1.

1DS users were defined as the subjects who used dietary supplement(s) at least 3 days a week at the time of the DS questionnaire.2Comparison of overall and specific DS use among pregnant women according to the trimester of pregnancy by unconditional logistic regression analysis adjusted for age.3Nutrients and other substances were consumed alone or in combination in the same DS.4Potassium, copper, lithium, manganese, chromium, and others.