| calculate_due_date | Calculate estimated due date and birth period |
| calculate_test_date | Calculate pregnancy test date |
| date_when | Calculate and display date of specific pregnancy week |
| due_date-option | Set or get the 'pregnancy.due_date' option |
| get_due_date | Set or get the 'pregnancy.due_date' option |
| get_medications | Set or get the 'pregnancy.medications' option |
| get_person | Set or get the 'pregnancy.person' option for pregnancy-related messages |
| how_far | Calculate pregnancy progress and time remaining |
| medications | An example medications table |
| medications-option | Set or get the 'pregnancy.medications' option |
| medications_remaining | Calculate remaining medications to be taken |
| person | Set or get the 'pregnancy.person' option for pregnancy-related messages |
| set_due_date | Set or get the 'pregnancy.due_date' option |
| set_medications | Set or get the 'pregnancy.medications' option |
| set_person | Set or get the 'pregnancy.person' option for pregnancy-related messages |