TSH levels

First trimester

Second trimester

Third trimester

Postpartum

Normal

N = 182

High

N = 59

Normal

N = 99

High

N = 10

Normal

N = 33

High

N = 5

Low

N = 3

Normal

N = 169

High

N = 11

n (%)

At least one reported complication

30

(16.5%)

12

(20.3%)

19

(19.2%)

4

(40.0%)

6

(18.18%)

0

(0.00%)

1

(33.3%)

39

(23.1%)

2

(18.2%)

Complications

Placental abruption

6

(17.1%)

2

(15.4%)

4

(19.1%)

1

(25.0%)

1

(11.1%)

0

(0.0%)

0

(0.0%)

8

(18.6%)

0

(0.0%)

Fetal malformation

3

(8.6%)

0

(0.0%)

0

(0.0%)

0

(0.0%)

0

(0.0%)

0

(0.0%)

0

(0.0%)

7

(16.3%)

0

(0.0%)

Cervical cerclage

2

(5.7%)

1

(7.7%)

2

(9.5%)

0

(0.0%)

1

(11.1%)

0

(0.0%)

1

(100.0%)

2

(4.7%)

0

(0.0%)

Mild-intrauterine restriction

1

(2.9%)

2

(15.4%)

1

(4.8%)

1

(25.0%)

1

(11.1%)

0

(0.0%)

0

(0.0%)

3

(7.0%)

0

(0.0%)

Placenta praevia

3

(8.6%)

2

(15.4%)

2

(9.5%)

0

(0.0%)

0

(0.0%)

0

(0.0%)

0

(0.0%)

2

(4.7%)

0

(0.0%)

Mild macrosomia

1

(2.9%)

0

(0.0%)

1

(4.8%)

0

(0.0%)

0

(0.0%)

0

(0.0%)

0

(0.0%)

2

(4.7%)

2

(100.0%)

Gestational diabetes

3

(8.6%)

0

(0.0%)

1

(4.8%)

0

(0.0%)

2

(22.2%)

0

(0.0%)

0

(0.0%)

0

(0.0%)

0

(0.0%)

Intrauterine growth restriction

0

(0.0%)

0

(0.0%)

0

(0.0%)

0

(0.0%)

0

(0.0%)

0

(0.0%)

0

(0.0%)

3

(7.0%)

0

(0.0%)

Stillbirth

1

(2.9%)

1

(7.7%)

0

(0.0%)

0

(0.0%)

1

(11.1%)

0

(0.0%)

0

(0.0%)

1

(2.3%)

0

(0.0%)

Other

12

(34.3%)

5

(38.5%)

8

(38.1%)

2

(50.0%)

1

(11.1%)

0

(0.0%)

0

(0.0%)

14

(32.6%)

0

(0.0%)