Use our calculator to determine your due date

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Calculate your due date instantaneously

Our practical tool will calculate your due date instantaneously and show you the key milestones of your pregnancy.

This is your due date and how many weeks pregnant

Congratulations! You are now 4 weeks pregnant.
You have about 252 days to go.
You are now in the 4th week of your pregnancy.

Your due date is Thursday, March 16, 2023. You are expected to give birth around this date.

Warning: This result is an indication. For a confirmation, please contact your doctor or midwife.

Your personal pregnancy calendar

Your pregnancy calendar

Your last period: The first day of your last period was Thursday, June 9, 2022

Your First Trimester: First Trimester (week 1 to 12) started on Thursday, June 9, 2022

Conception: The conception date / fertile period was around Thursday, June 23, 2022

Pregnancy test: You can try a home pregnancy test as soon as your period is late, from Thursday, July 7, 2022

First appointment: If you live in the US, your first prenatal visit can be scheduled as soon as 8 weeks of pregnancy. If you live in the UK, you can meet your midwife for an initial antenatal consultation around Thursday, August 18, 2022. It is also called your Booking appointment because it will book you in the hospital where you will give birth. During this first prenatal/antenatal appointment you will be asked about your medical background and plan in screening tests and ultrasound scans throughout your pregnancy. Your blood pressure and BMI will also be measured.

Dating scan: The dating ultrasound normally occurs around the 12th week, around Thursday, September 1, 2022. It allows measurements to confirm the theoretical date of the term, to diagnose a twin pregnancy and to measure the nuchal translucency (that is to say, the thickness of the pocket between the skin of the neck and spine, which is an indicator of a possible chromosomal abnormalities, including Down syndrome) and of course check that the fetus and placenta are properly formed.

Screening: Recommended but not compulsory, this blood test will measure the levels of 2 proteins that are normally present in your placenta and is used, in combination with the nuchal translucency, to detect Down syndrome and nervous system malformations (spina bifida). It should be performed between 12 and 15 weeks, at the earliest the Thursday, September 1, 2022.

Second trimester: Your second trimester (week 13 to 27) starts on Thursday, September 8, 2022

Development scan: Between week 18 and week 20, from Thursday, October 13, 2022, another ultrasound scan will measure if your baby is developing normally.

Third trimester: Your third trimester (week 28 to 40) starts on Wednesday, December 21, 2022

Due date: You should be giving birth around Thursday, March 16, 2023

How many weeks? This is the  4th week of your pregnancy.
To be precise: you are 4 weeks and 0 days pregnant.

How many days? You are now 28 days pregnant and still have about 252 days to go.

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