What is the effect of hyperthyroidism on the fetus?

Pregnant women suffering from hyperthyroidism are prone to fetal growth retardation, congestive heart failure, congenital malformation or pre-abortion, premature delivery, eclampsia, dystocia, stillbirth, etc. If diagnosed with this disease, anti-hyperthyroidism and other drugs should be taken according to doctor's advice, regular medical review, close monitoring of the condition and fetal growth and development changes.