Hyperthyroidism and Pregnancy
Hyperthyroidism and Pregnancy
To review:
- Changes in thyroid economy during pregnancy
- Thyroid function tests in pregnancy
- Hyperthyroidism and pregnancy
- During pregnancy
- Basal 150
- 40-50 % increased T4 requirements 50-100
- transfer of T4 and I from mother to fetus 50
- Increased renal clearance of I ?
- 250-300
- During lactation
- Basal 150
- 0.5-1.1 L milk/day x 150-180 mgI/L 75-200
- 225-350
- Neonate and young infant
- Term 15 mg/kg/day )
- Preterm 30 mg/kg/day) x 3-6 kgs 90
- Delange: Int J Endocrinol Metab 2: 1, 2004
