Table 3.
Coefficients at the 10th, 50th, and 90th percentiles for fundal height prediction equations in underweight, normal weight, and overweight and obese pregnant women from multilevel models.
| Parameters | Coefficient (cm) | ||
|---|---|---|---|
| 10th percentiles | 50th percentiles | 90th percentiles | |
| Underweight | |||
| Constant | −22.31506 | −18.08827 | −16.36419 |
| GA (wk) | 2.550561 | 2.345531 | 2.314052 |
| GA2 (wk) | −0.029636 | −0.025478 | −0.024279 |
| Normal weight | |||
| Constant | −28.94898 | −19.02109 | −10.01752 |
| GA (wk) | 2.943811 | 2.392514 | 1.914523 |
| GA2 (wk) | −0.034877 | −0.025569 | −0.017541 |
| Overweight and obese | |||
| Constant | −26.51847 | −22.88809 | −13.76647 |
| GA (wk) | 2.769345 | 2.639944 | 2.115199 |
| GA2 (wk) | −0.031173 | −0.028917 | −0.019630 |
GA: gestational age.