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Table 4 Preconception risk factors according to maternity clinics

From: Prevalence of maternal preconception risk factors: an Italian multicenter survey

Preconception risk factors

All (n = 2 212)

Verbania (n = 320)

Genova (n = 393)

Fidenza (n = 220)

Pisa (n = 202)

Roma Fatebenefratelli (n = 511)

Roma Santo Spirito (n = 240)

Benevento (n = 326)

 

n

%

%

%

%

%

%

%

%

Folic acid

         

  No

351

16.0

39.9

11.7

13.4

14.5

10.8

9.6

13.7

  At least one month before

256

11.7

7.9

15.0

8.8

11.0

14.3

16.3

6.2

  At least six month before

259

11.8

8.2

16.0

7.8

14.5

14.1

15.4

5.0

  Soon after pregnancy diagnosis

1201

54.9

40.2

53.7

59.0

55.5

53.8

57.5

67.3

  After 1 trimester

122

5.6

3.8

3.6

11.1

4.5

7.0

1.3

7.8

Smoking at LMP

         

  Yes

583

26.4

23.1

22.6

27.3

32.7

25.8

28.3

28.5

  No

1 629

73.6

76.9

77.4

72.3

67.3

74.2

71.7

71.5

Smoking after pregnancy confirmation

         

  Yes

181

8.2

7.2

8.4

10.5

9.4

7.0

7.1

9.2

  No

2 031

91.8

92.8

91.6

89.5

90.6

93.0

92.9

90.8

Second-hand smoking

         

  Yes

287

14.3

6.1

10.9

11.5

9.7

17.0

11.2

27.8

  No

1 715

85.7

93.9

89.1

88.5

90.3

83.0

88.8

72.2

BMI before pregnancy

         

  Underweight

184

8.4

9.7

11.7

6.5

7.5

7.9

9.2

4.9

  Normal range

1 588

72.2

71.1

71.8

75.6

72.1

78.3

70.4

63.4

  Overweight

305

13.9

14.2

12.0

13.8

15.9

10.7

12.5

20.6

  Obese

123

5.6

5.0

4.6

4.1

4.5

3.2

7.9

11.1

Pregestational disease

         

  Yes

208

9.5

6.4

7.4

6.9

12.9

16.6

6.9

5.6

  No

1 981

90.5

93.6

92.6

93.1

87.1

83.4

93.1

94.4

Specific disease

         

  Hypothyroidism

117

5.3

3.2

2.5

5.0

7.5

9.7

5.2

3.1

  Thrombophilia

16

0.7

0.3

1.0

0.5

0.5

1.6

0.0

0.3

  Hypertension

13

0.6

0.6

0.5

0.0

0.5

1.4

0.0

0.3

  Asthma

10

0.5

0.3

0.5

0.0

0.5

0.6

0.4

0.6

Medication use during first trimester

         

  Yes

539

25.7

17.7

24.3

27.6

28.2

36.0

16.4

23.7

  No

1 562

74.3

82.3

75.7

72.4

71.8

64.0

83.6

76.3