| Doubling Time | Number of Pregnancies in this range |
|---|---|
| 28 - 36 hours | (1) |
| 36 - 46 hours | (1) |
| 46 - 59 hours | (0) |
| 59 - 75 hours | (0) |
| 75 - 96 hours | (0) |
| 96 - 122 hours | (0) |
| 122 - 155 hours | (1) |
| 155 - 197 hours | (1) |
| 197 - 251 hours | (1) |
| 251 - 320 hours | (1) |
| 320 - 407 hours | (1) |
| 407 - 517 hours | (1) |