Table 2 Intake of micronutrients during pregnancy compared with current recommendations (DACH Referenzwerte, 2015) [22]. Values are given as mean ± 1 standard deviation (SD)

Iron (mg)

12 ± 4

13 ± 3

12 ± 3

12 ± 2

30

<0.001

Iodine (μg)

115 ± 62

130 ± 86

123 ± 67

123 ± 48

230

<0.001

Vit D (μg)

2.5 ± 3.7

2.4 ± 2.3

2.8 ± 4.4

2.6 ± 2.1

20

<0.001

Folat (μg)

273 ± 124

291 ± 119

296 ± 133

287 ± 81

550

<0.001

Vit A (mg)

1.4 ± 1.7

1.7 ± 1.5

1.5 ± 1.4

1.5 ± 0.9

1.1

<0.001

Vit E (mg)

13 ± 7

14 ± 7

14 ± 8

13.5 ± 5.0

13

n.s.

Vit B1 (mg)

1.3 ± 0.5

1.4 ± 0.6

1.4 ± 0.6

1.3 ± 0.4

1.3

n.s.

Vit B2 (mg)

1.5 ± 0.7

1.7 ± 0.6

1.8 ± 0.7

1.7 ± 0.4

1.4

<0.001

Vit B6 (mg)

1.7 ± 0.7

1.8 ± 0.7

1.9 ± 0.8

1.8 ± 0.5

1.9

0.002

Vit B12 (μg)

4.7 ± 4.7

4.6 ± 2.3

4.9 ± 2.7

4.7 ± 2.2

3.5

<0.001

Vit C (mg)

146 ± 90

158 ± 94

166 ± 105

158 ± 67

105

<0.001

Calcium (mg)

1133 ± 487

1193 ± 457

1227 ± 502

1179 ± 324

1000

<0.001

Magnesium (mg)

359 ± 103

388 ± 99

386 ± 106

378 ± 76

310

<0.001

Zinc (mg)

11 ± 4

12 ± 3

11 ± 3

11 ± 2

10

<0.001