date-calculator

name	date-calculator
description	Calculates gestational age and follow-up date windows.
version	1.0.0
category	Utility
tags	["dates","pregnancy","follow-up","calculator"]
author	AIPOCH
license	MIT
status	Draft
risk_level	Medium
skill_type	Tool/Script
owner	AIPOCH
reviewer
last_updated	2026-02-06

Date Calculator

Calculates medical date windows.

Features

• Gestational age
• Follow-up windows
• Visit scheduling
• Date adjustments

Parameters

Parameter	Type	Default	Required	Description
--type, -t	string	-	Yes	Calculation type (gestational or followup)
--date, -d	string	-	Yes	Date in YYYY-MM-DD format
--weeks	int	4	No	Number of weeks for follow-up
--window-days	int	7	No	Follow-up window size in days
--output, -o	string	-	No	Output JSON file path

Usage

# Calculate gestational age
python scripts/main.py --type gestational --date 2024-01-15

# Calculate 4-week follow-up window
python scripts/main.py --type followup --date 2024-03-01

# Calculate custom follow-up (6 weeks)
python scripts/main.py --type followup --date 2024-03-01 --weeks 6

Output Format

Gestational calculation:

{
  "lmp_date": "2024-01-15",
  "gestational_age": "12 weeks 3 days",
  "gestational_age_days"