1.8. Analysis.
Comparison 1 Any supplement containing iodine versus same supplement without iodine or no intervention/placebo, Outcome 8 Maternal adverse effect: digestive intolerance ‐ pregnancy.
Comparison 1 Any supplement containing iodine versus same supplement without iodine or no intervention/placebo, Outcome 8 Maternal adverse effect: digestive intolerance ‐ pregnancy.