Table 3

Fetal biometry at mid-pregnancy according to supplemental iron intake level at mid-pregnancy
Iron supplement use
Total Supplement users (> 0) Non-supplement users (= 0)
Fetal growth1 n β (SE) P-value β (SE) P-value R2
Biparietal diameter, cm 294 1 0.092 (0.036) 0.012 0.941
Abdominal circumference, cm 212 1 0.391 (0.163) 0.017 0.923
Femur length, cm 265 1 0.057 (0.032) 0.077 0.946

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, energy intake (ln) and dietary iron intake (ln).

Hwang et al.

Hwang et al. Nutrition Journal 2013 12:38   doi:10.1186/1475-2891-12-38

Open Data