What effect does pregnant period hyperthyroidism have to fetus

If pregnant people do not get good control of hyperthyroidism, it will cause premature abortion or fetal arrest of the fetus, affecting fetal malformation. For individuals, pregnant women themselves can induce hyperthyroidism crisis, because thyroid hormone will change in the body in the early stage of pregnancy. When pregnant, there is a kind of hormone called chorionic gonadotropin, which is also increased when HCG is increased. Therefore, if your own hyperthyroidism is not well controlled, the two factors are superimposed together. Thyroid hormone in the blood can induce hyperthyroidism crisis.