Use the pregnancy due date calculator to work out roughly when your baby is due to be born, working from the first day of your last period.


Enter the date of the first day of your last menstrual period (LMP):


Probable date of conception:

Foetal Age Today:

Best date range for NT scan:

Morphology Scan Date:

First Heart Tones by Doppler:

Best time to evaluate cervical length in patient with risk factors:

Best time for routine anatomy ultrasound:

Estimated Due Date:

Today, age of your baby is 61 Days

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How Many Weekly Pregnant?

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  • How Many Weekly Pregnant?

How to calculate pregnancy? Most pregnancies take about 40 weeks ( or 38 weeks after conception ), so it's usually the best way to predict your deadline, (SAT) of your last menstrual period is to count 40 weeks or 280 days from the first day.

Another way to do this is to take three months out of the first day of your last menstrual period and add seven days. Therefore, if your last menstrual period started on April 11, you count down three months until January 11, and then add seven days; your doctor will estimate your pregnancy end date ( the date you will be born ) in this way, and this is a fairly accurate calculation. But remember: It is normal to give birth a week or two ago or later.

Date of conception

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  • Date of conception

Calculating the date you will give birth according to the first day of your last menstrual date gives the right result for women with regular menstrual cycles. However, if your cycle is irregular, the SAT method may not work correctly for you.

Since a reliable estimated pregnancy end date is important, you and your doctor can use your conception date instead of remembering this date. Add 266 days to calculate your estimated pregnancy end date ( date of birth ).

Ultrasound Scan

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  • ultrasound scan

Even if you cannot pinpoint the date you conceived, forget the day of your last menstrual period or if you are not sure when ovulation takes place, other tips can help you and your doctor set your end date on your first prenatal appointment:

An early ultrasound that can date pregnancy more accurately. Some doctors routinely perform ultrasound in the early period, but often only if your menstruation is irregular, if you are 35 years old or above, performs early ultrasound if you have a history of low or pregnancy complications or if the end date cannot be determined by your physical examination and SAT.

Although ( where the baby's heartbeat was heard for the first time, around 7 or 8 weeks ) and when you feel the first fetish movement (average between 18 and 22 weeks, but earlier or later ) pregnancy milestones give tips on whether your pregnancy end date to give birth is correct.

Your fundal height, which is the measurement from your pubic bone to the upper part of your uterus, should be checked by your doctor every prenatal visit and helps verify your end date.

The size of the uterus to be noted when your first internal pregnancy examination is performed may also be a factor to determine the date you will give birth.

Can I plan my date of giving birth?

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  • Can I plan my date of giving birth?

If you are trying to avoid getting pregnant in mid-summer or be a teacher who wants to maximize your time with your little child, you can try the times you conceive to "plan" your pregnancy end date .

However, keep in mind that even if you are one of the lucky ones who can get pregnant at any time, the day ( will not happen exactly as you planned the month or the month you gave birth. )

Can the date I give birth change?

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  • Can the date I give birth change?

Yes, your pregnancy end date may change. While there is no definite reason to worry, your doctor may change the date you will give birth for various reasons as your pregnancy progresses.

Your period may be irregular and your early ultrasound appointment may be closed or your first ultrasound may be in the second trimester.

Also, your fundal height may be abnormal or your alpha-fetoprotein (AFP) levels, a protein produced by the baby, may be outside the normal range. If you have any questions or concerns, talk to your doctor.