“…In addition, the data for that study had been obtained from the hospital's digital database, including comorbid conditions such as thyroid dysfunction. The thyroid hormones such as L-thyroxine (3,5,3',5'-tetraiodothyronine, T4), and L-triiodothyronine (3,5,3'-triiodothyronine, T3) are known to be effective in reproductive functions in humans and animals by regulating the ovarian, uterine, and placental tissues and metabolism in thyroidology [2][3][4][5][6][7] . Nevertheless, in our previous study, the women with APO in their current pregnancy did not reveal significance compared to the ones without APO in their current pregnancy in terms of thyroid dysfunction [2][3][4][5] .…”