Iodine Status Has No Impact on Thyroid Function in Early Healthy Pregnancy

Table 1

Ioduria and thyroid tests performed at 8 weeks of amenorrhea (5–12) in the 110 included women.

	Median	Mean ± SD	Min	Max
Ioduria 𝜇g/L	116	139 ± 98	<15	399
fT4 pmol/L	14.35	14.57 ± 1.65	12.0	19.16
TSH mUI/L	1.18	1.24 ± 0.58	0.13	2.47
fT3 pmol/L	5.0	5.1 ± 0.5	3.8	6.7
TT4 nmol/L	110.7	111.1 ± 23	50.7	167.4
TBG 𝜇g/mL	26.7	28.1 ± 7.2	12.8	50
Tg ng/mL	17.4	22.3 ± 17.2	1.3	100
𝛽hCG UI/L	62724	65289 ± 47845	1025	220731
rT3 nmol/L	0.27	0.27 ± 0.07	0.13	0.51