Thyroid Flashcards
1
Q
Recommended daily Iodine intake
A
non-pregnant: 150mcg
pregnant: 220mcg
lactating: 290mcg
*Excess intake concerning (>500mcg)
2
Q
Hyperthyroidism meds
A
Methimazole
Propylthiouracil
Carbimazol
– all cross the placenta and cause congenital malformations if taken in early pregnancy
3
Q
Most common causes of hypothyroidism
A
worldwide- iodine deficiency
iodine sufficient contexts - hashimotos (autoimmune thyroiditis, post-thyroid ablation tx)
4
Q
Hypothyroid treatment
A
levothyroxine: 1-2 mcg/kg/day
Measure TSH q4-6 wks and adjust dose in 25-50mcg increments
Optimize levels before pregnancy
1/3 pregnancies will require inc dosage
