TSH

fT4

L-T4 -dose

1. Trimester

Until 12. weeks

Mean + SD [Median]

RR: 0.1 - 2.5 μU/ml

(n = 488)

1.43 ± 1.5 [1.25]

RR: 11.6 - 19.3 pmol/l

(n = 959)

16.1 ± 2.7 [15.7]

(n = 957)

39.0 ± 48.6 μg [0]

2. Trimester

Between 13.-28. weeks

Mean + SD [Median]

RR: 0.2 - 3.0 μU/ml

(n = 513)

0.48 ± 0.64 [0.12]

RR: 9.0 - 16.7 pmol/l

(n = 2076)

16.0 ± 3.5 [15.7]

(n = 2076)

107.8 ± 51.7 μg [100 μg]

3. Trimester

Over > 29. weeks

Mean + SD [Median]

RR: 0.3 - 3.0 - 3.5 μU/ml

(n = 310)

0.32 ± 0.63 [0.05]

RR: 9.0 - 15.4 pmol/l

(n = 1134)

16.7 ± 3.1 [16.7]

(n = 1333)

152.4 ± 54.18 μg [150 μg]