IRCT20151114025031N7 IRCT 2018-02-24 Arak University of Medical Sciences Evaluation of The Iron Effect on Thyroid Function in Women Evaluation of The Iron Effect on Thyroid Function in Women with Hypothyroidism 2017-10-29 anticipated 94 Complete https://irct.ir/trial/29532 interventional Randomization: Randomized, Blinding: Double blinded, Placebo: Used, Assignment: Parallel, Purpose: Treatment, Randomization description: For Blindness and randomization will be used from numbered closed envelopes, Blinding description: Patients, researcher, physicians and statistical adviser do not know about the type of drug and groupings. 3 Other hypothyroidism. Intervention 1: Intervention group: Levothyroxine with 100 mg iron per day for 2 months. Intervention 2: Control group: Levothyroxine with 100 mg placebo per day for 2 months. Undecided - It is not yet known if there will be a plan to make this available Justification or reason for indecision in sharing IPD is There is no more information