| Beta Range | Number of Pregnancies in this range |
|---|---|
| 148 - 247 | (4) |
| 247 - 412 | (6) |
| 412 - 689 | (18) |
| 689 - 1152 | (52) |
| 1152 - 1924 | (90) |
| 1924 - 3215 | (142) |
| 3215 - 5371 | (262) |
| 5371 - 8972 | (320) |
| 8972 - 14988 | (345) |
| 14988 - 25037 | (274) |
| 25037 - 41824 | (56) |
| 41824 - 69865 | (13) |