Pathogenesis of infertility and recurrent pregnancy loss in thyroid autoimmunity

► Thyroid autoimmunity predisposes to infertility and pregnancy complications. ► Diverse cellular and humeral mechanisms underlie infertility and pregnancy complications. ► Polycystic ovary and endometriosis frequently accompany thyroid autoimmunity. ► Vitamin D deficiency can contribute to thyroid autoimmunity-related infertility.