| Beta Range | Number of Pregnancies in this range |
|---|---|
| 359 - 615 | (1) |
| 615 - 1056 | (4) |
| 1056 - 1813 | (5) |
| 1813 - 3111 | (12) |
| 3111 - 5338 | (37) |
| 5338 - 9158 | (35) |
| 9158 - 15714 | (79) |
| 15714 - 26962 | (94) |
| 26962 - 46261 | (80) |
| 46261 - 79373 | (32) |
| 79373 - 136185 | (3) |
| 136185 - 233662 | (1) |