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How Far Along Am I?

If you are wondering “how many weeks pregnant am I?” now’s the time to find out! Learn how far along you are in your pregnancy and estimated due date with the First Response pregnancy calculator. Starting with the first day of your last menstrual period it is easy to calculate when you conceived.

Find out your baby's due date so you can start planning key milestones.

When did your last period begin?

Please enter a valid date.

What is your average cycle length?

days
Start with the first day of one period and count right up to the day before the first day of your next period. Count the first day of bleeding or spotting as day one. The average cycle length is 28 days, but can range anywhere from 20 to 45 days.

You're pregnant

Your estimated due date is , that's away.