| Beta range | Number of Pregnancies in this range |
|---|---|
| 661 - 1077 | (5) |
| 1077 - 1757 | (7) |
| 1757 - 2866 | (26) |
| 2866 - 4673 | (34) |
| 4673 - 7621 | (47) |
| 7621 - 12427 | (86) |
| 12427 - 20265 | (137) |
| 20265 - 33046 | (130) |
| 33046 - 53888 | (60) |
| 53888 - 87873 | (15) |
| 87873 - 143292 | (2) |
| 143292 - 233662 | (1) |