The impact of variations of TSH with the “low normal range” on euploid blastocyst implantation rate (IR)

      Supplementation of thyroid hormone during the first trimester is recommended by the American Thyroid Association for TSH values >2.5mIU/L as they may be associated with adverse outcomes. This standard may also be applied to infertile patients attempting conception, but there has been no analysis on whether variation of TSH values within this “low normal range” have an impact on IR. The goal of the present analysis is to determine if variation of TSH within this range has an impact on IR after the transfer of high quality euploid blastocysts.
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