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).