HY USMLE Q #634 – Thyroid in pregnancy

A 34-year-old woman, G2P1, at 14 weeks’ gestation comes to the physician for a 2nd trimester appointment. Which of the following sets of thyroid parameters is most likely to be seen in this patient?

↑ TSH; ↑ Free T4; ↑ Total T4
↑ TSH; ↑ Free T4; ↔ Total T4
↑ TSH; ↔ Free T4; ↑ Total T4
↑ TSH; ↔ Free T4; ↔ Total T4
↓ TSH; ↑ Free T4; ↑ Total T4
↓ TSH; ↑ Free T4; ↔ Total T4
↓ TSH; ↔ Free T4; ↑ Total T4
↓ TSH; ↔ Free T4; ↔ Total T4
↔ TSH; ↑ Free T4; ↑ Total T4
↔ TSH; ↑ Free T4; ↔ Total T4
↔ TSH; ↔ Free T4; ↑ Total T4
↔ TSH; ↔ Free T4; ↔ Total T4