| Clue | Source | Date |
|---|---|---|
| Estimates for some pregnant people | USA Today | 05 Sep 2025 |
| When library books must be returned by | Newsday | 29 Aug 2022 |
| Obstetricians' calculations | USA Today | 01 Dec 2021 |
| Estimated delivery times | Thomas Joseph | 03 Aug 2015 |
| Obstetricians' calculations | ||
| Obstetrician's estimates | ||
| Days of hard labor? | ||
| Pregnancy predictions | ||
| Notations on bank calendars. | ||
| Times when bills are payable. |