Description
Calculates pregnancy dates, forward from last period or backward from due date. This tool calculates three values based on a known date of either last menstrual period, date of conception, current gestational age, or due date.
Calculator Search/Filter Keywords
At the calculator level, eCalcs comes delivered with default keywords that can be leveraged in the "Search/Filter" field to enable Specialty or System driven calculator searching. The following calculator keywords are delivered by default for the Pregnancy Due Dates calculator:
Specialties
- Critical Care
- Family Practice
- Obstetrics
Systems
Calculator Configuration Options
Preference Name
|
Valid Range
|
Description
|
Publishing |
Checked / Unchecked |
When checked, the calculator will display for users on the front end. When unchecked, the calculator WILL NOT display for users on the front end.
|
Orderable Item Override |
(BLANK) / G-PregDD |
“(BLANK)” indicates that the global configuration options for Orderable Item will be used. “G-PregDD” indicates that the calculator specific value will be used and can display the specific calculator name in the chart output.
|
Calculator Inputs
Input
|
Mapping Type
|
Description
|
Last Menstrual Period |
Vitals / No Default Mappings |
Date of patient’s last menstrual period
|
Date of Conception |
Manual Input |
Date of Conception
|
Current Gestational Age |
Manual Input |
Current Gestational Age
|
Due Date |
Manual Input |
Due Date
|
Calculator Outputs
Output
|
Mapping Type
|
Description
|
Estimated gestational age |
Result |
Estimated gestational age of the embryo or fetus
|
Estimated last menstrual period |
Result |
Backwards estimation of the last menstrual period
|
Estimated due Date |
Result |
Estimated due date of birth
|
Estimated date of conception |
Result |
Backwards estimation of the date of conception
|
References
http://www.mdcalc.com/pregnancy-due-dates-calculator/