| Doubling Time | Number of Pregnancies in this range |
|---|---|
| 21 - 34 hours | (9) |
| 34 - 53 hours | (108) |
| 53 - 83 hours | (290) |
| 83 - 131 hours | (171) |
| 131 - 205 hours | (59) |
| 205 - 320 hours | (10) |
| 320 - 501 hours | (2) |
| 501 - 784 hours | (0) |
| 784 - 1227 hours | (0) |
| 1227 - 1919 hours | (0) |
| 1919 - 3002 hours | (0) |
| 3002 - 4695 hours | (1) |