| Beta range | Number of Pregnancies in this range |
|---|---|
| 224 - 381 | (1) |
| 381 - 648 | (2) |
| 648 - 1102 | (5) |
| 1102 - 1875 | (17) |
| 1875 - 3190 | (40) |
| 3190 - 5426 | (63) |
| 5426 - 9231 | (94) |
| 9231 - 15702 | (195) |
| 15702 - 26710 | (182) |
| 26710 - 45436 | (99) |
| 45436 - 77289 | (19) |
| 77289 - 131471 | (4) |