| Beta range | Number of Pregnancies in this range |
|---|---|
| 440 - 677 | (4) |
| 677 - 1044 | (11) |
| 1044 - 1609 | (19) |
| 1609 - 2480 | (39) |
| 2480 - 3821 | (54) |
| 3821 - 5888 | (67) |
| 5888 - 9073 | (137) |
| 9073 - 13981 | (157) |
| 13981 - 21543 | (166) |
| 21543 - 33195 | (91) |
| 33195 - 51150 | (34) |
| 51150 - 78814 | (7) |