TG and cyclic hematopoiesis: CH generated during gestation with MMI administration and using rdw rats with CH due to missense mutation of the thyroglobulin gene is associated with alterations in fertility of their male offspring through its negative effect on sperm quality or inhibition of spermatogenesis (Umezu et al., 2004; Anbalagan et al., 2010; Aiceles et al., 2017).