Due Date Calculation:
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This calculator estimates the due date for women who are currently 6 weeks pregnant. It's based on the standard 280-day pregnancy duration minus the 42 days (6 weeks) that have already passed.
The calculator uses the following calculation:
Where:
Explanation: The calculation adds 238 days to the current date to estimate when the pregnancy will reach the full 40-week term.
Details: Knowing your estimated due date helps with pregnancy planning, prenatal care scheduling, and monitoring fetal development milestones.
Tips: Enter the current date (or today's date will be used by default). The calculator will show the estimated due date 238 days from the entered date.
Q1: How accurate is this due date calculation?
A: This provides a general estimate. Only about 5% of women deliver on their exact due date, with most delivering within 2 weeks before or after.
Q2: What if I know my conception date?
A: For more accuracy, you can calculate from conception date by adding 266 days (38 weeks).
Q3: Why is pregnancy calculated as 280 days?
A: Pregnancy is traditionally calculated from the first day of the last menstrual period (LMP), which is about 2 weeks before conception.
Q4: Will my due date change?
A: Early ultrasound measurements may adjust your due date if they differ significantly from LMP-based calculations.
Q5: What if I have irregular cycles?
A: The LMP method may be less accurate if your cycles are irregular. An early ultrasound can provide a more reliable estimate.