| Beta Range | Number of Pregnancies in this range |
|---|---|
| 275 - 442 | (2) |
| 442 - 712 | (3) |
| 712 - 1146 | (6) |
| 1146 - 1845 | (24) |
| 1845 - 2970 | (36) |
| 2970 - 4781 | (61) |
| 4781 - 7696 | (99) |
| 7696 - 12387 | (128) |
| 12387 - 19939 | (130) |
| 19939 - 32093 | (119) |
| 32093 - 51656 | (57) |
| 51656 - 83143 | (11) |