1. What is Weeks Pregnant Calculation?

The weeks pregnant calculation estimates how far along a pregnancy is based on the due date and current date. It helps track fetal development and plan prenatal care.

2. How Does the Calculator Work?

The calculator uses the following formula:

Where:

• Due Date — Estimated date of delivery (EDD)
• Current Date — Today's date or any reference date
• 7 — Days in a week

Explanation: The calculation determines how many weeks remain until the due date (if current date is before due date) or how many weeks have passed since the due date (if current date is after due date).

3. Importance of Pregnancy Dating

Details: Accurate pregnancy dating is crucial for monitoring fetal growth, scheduling prenatal tests, and determining the appropriate time for delivery.

4. Using the Calculator

Tips: Enter the due date (typically determined by ultrasound) and the current date (defaults to today). The calculator will show how many weeks pregnant this corresponds to.

5. Frequently Asked Questions (FAQ)

Q1: How accurate is this calculation?
A: The accuracy depends on the accuracy of the due date. Early ultrasound dating (first trimester) is most accurate.

Q2: What if my cycle length isn't 28 days?
A: This calculator assumes standard pregnancy dating. If your cycle differs significantly, consult your healthcare provider.

Q3: Why does pregnancy count as 40 weeks?
A: Pregnancy is traditionally counted from the first day of the last menstrual period (LMP), which is about 2 weeks before conception.

Q4: Can this be used after the due date?
A: Yes, it will show how many weeks past the due date you are.

Q5: What's considered full term?
A: 39-40 weeks is considered full term, with 37-38 weeks being early term and 41-42 weeks late term.