Table 3 Risk-based screening criteria among women in the consecutive sample when stratified by thyroid function testing

Pregnant women^c

81

211

Screening criteria, overall

 DES criteria

37

45.7

41

19.4

 1 fulfilled

31

38.3

36

17.0

 2 or more fulfilled

6

7.4

5

2.4

 ATA criteria

58

71.6

140

66.4

 1 fulfilled

24

29.6

62

29.4

 2 or more fulfilled

34

42.0

78

37.0

Screening criteria, specific

Maternal characteristics

 Age > 30 years

42

51.8

111

52.6

 BMI ≥ 40 kg/m²

 < 3

-

6

2.8

Reproductive history

 Multiple prior pregnancies (≥ 2)

6

7.4

30

14.2

 Previous preterm birth^d

4

4.9

5

2.4

 Previous pregnancy loss^d

20

24.7

55

26.2

 Recurrent pregnancy loss (≥ 3)^d

 < 3

-

 < 3

-

 Fertility treatment^d

24

29.6

21

10.0

Family history

 Family history of thyroid disease^d

 < 3

-

6

2.9

Disease history

 Use of amiodarone, lithium, or recent iodinated contrast

 < 3

-

 < 3

-

 History of radiation therapy of the head and neck area

 < 3

-

 < 3

-

 Type 1 diabetes

6

7.4

 < 3

-

 Other autoimmune diseases

 < 3

-

5

2.4

 Previous thyroid disease^d

3

3.8

 < 3

-