Cardiac dimensions (mm) at 7 days of age by gestation
| Gestation (weeks) | n | IVS | LIDDd | LVPW | LIDDs | LA | AO |
|---|---|---|---|---|---|---|---|
| 23 to 25 | 7 | 2.8 | 10.7 | 2.6 | 7.3 | 6.9 | 6.4 |
| 2.0 to 3.8 | 7.3 to 14.1 | 1.8 to 3.4 | 3.1 to 11.5 | 2.1 to 11.7 | 4.8 to 8.0 | ||
| 26 to 28 | 20 | 2.8 | 11.9 | 2.7 | 7.9 | 8.4 | 6.8 |
| 1.4 to 4.2 | 7.5 to 16.3 | 1.7 to 3.7 | 4.9 to 11.9 | 5.0 to 11.8 | 5.2 to 8.4 | ||
| 29 to 31 | 15 | 2.7 | 12.9 | 2.8 | 8.8 | 7.6 | 7.2 |
| 2.1 to 3.3 | 8.7 to 17.1 | 2.1 to 3.5 | 6.7 to 10.9 | 5.4 to 9.8 | 5.6 to 9.8 | ||
| 32 to 33 | 14 | 3.2 | 14.3 | 2.6 | 10.3 | 8.7 | 8.1 |
| 4.2 to 5.2 | 11.1 to 17.5 | 1.6 to 3.6 | 7.3 to 13.3 | 5.0 to 11.4 | 5.7 to 10.5 |
Values are mean and ±2SD.
AO, aortic root; IVS, interventricular septum; LA, left atrium; LIDDd (s), left interventricular diameter at end diastole (end systole); LVPWd, left ventricular posterior wall thickness at end diastole.