| Beta range | Number of Pregnancies in this range |
|---|---|
| 205 - 368 | (1) |
| 368 - 662 | (2) |
| 662 - 1191 | (3) |
| 1191 - 2141 | (16) |
| 2141 - 3849 | (38) |
| 3849 - 6921 | (63) |
| 6921 - 12442 | (104) |
| 12442 - 22368 | (183) |
| 22368 - 40214 | (158) |
| 40214 - 72296 | (56) |
| 72296 - 129973 | (5) |
| 129973 - 233662 | (1) |