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Table 4 Fetal biometry at mid-pregnancy according to total iron intake level at mid-pregnancy

From: Maternal iron intake at mid-pregnancy is associated with reduced fetal growth: results from Mothers and Children’s Environmental Health (MOCEH) study

  

Total iron intake (mg)

 
 

Total

1sttertile (< 11.49)

2ndtertile (11.49 ~ < 17.04)

3rdtertile (≥ 17.04)

 

Fetal growth1

n

β (SE)

P-value

β (SE)

P-value

β (SE)

P-value

R2

Biparietal diameter, cm

294

−0.03 (0.04)

0.488

1

 

−0.09 (0.04)

0.019

0.941

Abdominal circumference, cm

212

−0.01 (0.22)

0.958

1

 

−0.41 (0.18)

0.027

0.922

Femur length, cm

265

−0.01 (0.04)

0.877

1

 

−0.07 (0.04)

0.051

0.946

  1. 1 Adjusted for gestational age at the time of ultrasound measurement, maternal age, maternal height, urinary cotinine level (ln), pre-pregnancy BMI, parity, family monthly income, sex of babies and energy intake (ln).