| Beta Range | Number of Pregnancies in this range |
|---|---|
| 275 - 445 | (3) |
| 445 - 721 | (8) |
| 721 - 1167 | (12) |
| 1167 - 1890 | (47) |
| 1890 - 3061 | (72) |
| 3061 - 4957 | (114) |
| 4957 - 8028 | (178) |
| 8028 - 13000 | (253) |
| 13000 - 21051 | (269) |
| 21051 - 34089 | (201) |
| 34089 - 55200 | (84) |
| 55200 - 89387 | (13) |