Levothyroxine dosage (µg per day) n = 280 Median (IQR) | P value* | |
---|---|---|
Preconception dose 85.7 (55.3) | 1st trimester dose 100.0 (69.6) | 0.001 |
1st trimester dose 100.0 (69.6) | 2nd trimester dose 100.0 (75.0) | < 0.01 |
2nd trimester dose 100.0 (75.0) | 3rd trimester dose 100.0 (96.4) | < 0.01 |