Commentary: Effect of Levothyroxine on Miscarriage among Women with Normal Thyroid Function and Thyroid Autoimmunity Undergoing In Vitro Fertilization and Embryo Transfer: A Randomized Clinical Trial - Maraka, Spyridoula; O’Keeffe, Derek T.; Singh Ospina, Naykky (Frontiers in Endocrinology, 2018)