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Table 1 Maternal and fetal characteristics of the study participants

From: Association of first trimester maternal vitamin D, ferritin and hemoglobin level with third trimester fetal biometry: result from cohort study on vitamin D status and its impact during pregnancy and childhood in Indonesia

Maternal characteristics

n (%)

Mean (SD)

Age (years)

 

28.78 (5.82)

Pre-pregnancy body mass index (kg/m2)

 

23.07 (5.16)

Parity

 0

69 (34)

 

 1

78 (38.4)

 

  ≥ 2

56 (27.6)

 

Serum vitamin D in the first trimestera

 

15.65 (7.06)

 Deficient (< 20 ng/mL)

152 (0.75)

 

 Insufficient (20–29.99 ng/mL)

43 (0.21)

 

 Normal (≥ 30 ng/mL)

8 (0.04)

 

Serum ferritin in the first trimesterb

 

66.95 (53.48)

 Hypoferritinemia (< 30 ng/mL)

68 (33.5)

 

 Normoferritinemia (≥30 ng/mL)

135 (66.5)

 

 Hemoglobin in the first trimesterc

 

12.8 (1.98)

 Anemia (< 11 g/dL)

15 (7.4)

 

 Normal (≥11 g/dL)

188 (92.6)

 

Gestational age at the third trimester ultrasonography (week)

 

31.67 (1.56)

 Biparietal diameter (mm)

 

79.82 (7.44)

 Head circumference (mm)

 

282.3 (32.84)

 Abdominal circumference (mm)

 

268.6 (23.32)

 Femur length (mm)

 

63.56 39.47)

  1. aHolicks’s parameter on vitamin D status [22]
  2. bWHO parameter on iron status in population [54]
  3. cWHO parameter for anemia in pregnancy [55]