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VolumeCalculator.Co - Free online calculator tool for finding the volume of various 3D shapes with step-by-step solutions and comprehensive unit conversion.

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Pregnancy Calculator

Estimate your due date and track your pregnancy timeline.

Your Dates

The first day your last menstrual period started.

days

Usually 28 days for most women.

How is this calculated?

Doctors calculate pregnancy starting from the first day of your last menstrual period (LMP), adding 280 days (40 weeks). This calculator uses Naegele's Rule but adjusts for your specific cycle length for better accuracy.

Your Pregnancy

Enter your dates to see results

Typical Pregnancy Timeline

1

First Trimester (Weeks 1-12)

Ideally, you should schedule your first prenatal appointment. Major organs begin to form.

2

Second Trimester (Weeks 13-26)

Often called the "honeymoon phase" as nausea subsides. You may find out the baby's gender around week 20.

3

Third Trimester (Weeks 27-40)

The baby grows rapidly. You'll prepare for birth and may experience Braxton Hicks contractions.

Important Note

Due dates are estimates—only about 5% of babies are born on their exact due date. Most are born between weeks 38 and 42.

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