From: Exposure to Perflouroalkyl acids and foetal and maternal thyroid status: a review
 |  |  |  | TSH | T3 | T4 | ||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Reference | Author Country Year | Time point of TH measurement | Number | Â | Median | Range | Â | Median | Range | Â | Median | Range |
Normal reference range | 1–7 days✦ |  | TSH (mIU/L) ✦ | Lower limit: 0.13–1.79 Upper limit: 9.23–57.2 |  | – | – | FT4 (pmol/L) ✦ | Lower limit: 8.9–20.3 Upper limit: 26.8–46.6 | |||
[38] | Kato Japan 2016 | 4–7 days postpartum (heelprick) | 392 | TSH (mIU/L)* | 2.2 | LOD–7.9 a |  |  |  | FT4 (pmol/L) *, d | 26.1 | 17.9–37.2 a |
[39] | Preston USA 2018 | 3 days postpartum (heel prick) | 480 |  |  |  |  |  |  | TT4 (nmol/L)* | 222.7 | 47.6–459.5 |
[44] | Wang Taiwan 2014 | At delivery (cord blood serum) | 92–116 | TSH (mIU/L)* | 6.65 |  | TT3 (nmol/L)* | 0.77 |  | TT4 (nmol/L)* | 107.7 |  |
FT4 (pmol/L)* | 9.40 | Â | ||||||||||
[46] | Yang China 2016 | At delivery (cord blood serum) | 146–157 | TSH (mIU/L)* | 9.44 | 1.26–57.01 | TT3 (nmol/L) | 0.90 | 0.56–3.16 | TT4 (nmol/L) | 129.70 | 69.52–232.20 |
FT3 (pmol/L) | 2.01 | 1.11–4.45 | FT4 (pmol/L) | 15.88 | 9.44–21.26 | |||||||
[47] | Xiao Faroe Island 2019 | At delivery (cord blood serum) | 153 | TSH (mIU/L)*, e | 6.98b | 2.03–27.40 | FT3 (pmol/L) | 2.35b | 2.00–5.54 | T4 (nmol/L) | 129.07b | 68.00–205.00 |
T3RU | 0.83b | 0.54–1.05 | FT4 (pmol/L) | 11.93b | 0.38–16.60 | |||||||
 |  |  | FT4I (IU/L) | 107.60b | 65.00–191.00 | |||||||
[48] | Dufour Belgium 2018 | 3 days postpartum (heel prick) | 214 | TSH (mIU/L) | 4.85 | Max: 16.6 |  |  |  |  |  |  |
[49] | Shah-Kulkarni Korea 2016 | At delivery (cord blood serum) | 279 | TSH (mIU/L)* | 8.3 | 1.2–49.6 | TT3 (nmol/L)* | 0.88 | 0.59–2.22 | TT4 (nmol/L)* | 108.1 | 61.8–168.6 |
[50] | De Cock Netherland 2014 | 4–7 days postpartum (heel prick) | Boys: 52 |  |  |  |  |  |  | TT4 (nmol/L) | 85.6 | 42–138 |
Girls: 31 |  |  |  |  |  |  | TT4 (nmol/L) | 89.6 | 68–117 | |||
[51] | Tsai Taiwan 2017 | At delivery (cord blood plasma) | 118 | TSH (mIU/L)* | 2.92 c | 0.008–14.1 | TT3 (nmol/L)* | 0.46c | 76.3–202.8 | TT4 (nmol/L)* | 115.6 c | 164.8–1530.5 |
FT3 (pmol/L)* | 2.29 c | 1.54–5.7 | FT4 (pmol/L)* | 15.4 c | 10.3–29.6 | |||||||
[52] | Aimuzi China 2019 | At delivery (cord blood serum) | 568 | TSH (mIU/L) | 4.66 | 1.73–28.87 | FT3 (pmol/L) | 2.03 | < LOD-4.29 | FT4 (pmol/L) | 13.48 | < LOD-18.44 |