What factors during hypothyroidism pregnancy can lead to fetal malformation or mental retardation?

Patient's question:

Thick neck. Memory decline. April 13, 2010
Past treatment history and effectiveness: Generally? Does hypothyroidism cause inflammation?

Doctor's answer:

Hypothyroidism 1. General treatment: Digestive iron, vitamin B12, folic acid (vitamin B9), etc. Loss of appetite, appropriate digestion of dilute hydrochloric acid. 2. Replacement therapy: TH replacement therapy. Levothyroxine (L-T4, levothyroxine sodium tablets) 25-50ug/d (day) once a day, 2-3 months later, the dosage is adjusted according to the thyroid function test to maintain it in the long term. Dry thyroid: 20-40mg/d (day) once a day, 2-3 months later, the dosage is adjusted according to the thyroid function test to maintain it in the long term.