Estimated Due Date Calculator

The functioning of this tool and the content on this page have been verified by iCliniq medical review team.


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The Estimated Due Date Calculator helps you with an appropriate estimate of the delivery of your baby. The human gestation period is the same for everyone. It takes about 37 to 40 weeks (around 280 days) from the day of conception until the day of delivery.

The method utilized here is simple counting from the first day of your last period. For women with an average length of menstrual cycle, that day is usually about two weeks before conception, which explains why pregnancies are expected to last for 40 weeks. This method does not take into account how long your period actually is or when you think you might have conceived.

Only one in 20 women deliver on her due date. You are just as likely to go into labor any day during the two weeks before or after the estimated date. A talk with the healthcare provider will help you more.


First day of your last menstrual period (LMP)
 
Average length of your cycle

 

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How is the Average Length of a Menstrual Period Cycle calculated?


Average Length of a Menstrual Period Cycle is calculated by entering the date of the first day of your Last Menstrual Period (LMP). This is done after a close observation of your menstrual periods. The LMP of every month is counted and thus you arrive at the average length of a menstrual period cycle.

This is a list of the important weeks during your pregnancy.


  • Week 2  : You are conceived.
  • Week 4  : The pregnancy test is positive.
  • Week 5  : Baby's organ formation starts. The heart starts functioning.
  • Week 10 : All major organs are formed. The heartbeats are well-heard.
  • Week 12 : Risk of miscarriage is reduced.
  • Week 14 : The second trimester. Your pregnancy can now be announced!
  • Week 15 : The baby can now see the light.
  • Week 16 : The ultrasound can now reveal your baby's gender.
  • Week 18 : Movements of your baby are felt.
  • Week 19 : Your baby hears sounds.
  • Week 23 : Baby born at this stage is called as a premature baby. Survival chances are still there.
  • Week 27 : You are in your third trimester. Your baby can breathe.
  • Week 32 : Baby's fingernails and toenails are formed.
  • Week 37 : A full-term pregnancy is complete.
  • Week 40 : Congratulations! You are due any time now.
 


Disclaimer: All health Tools published on this website is not intended to be a substitute for professional medical diagnosis, advice or treatment by a trained physician. Seek the advice from your physician or other qualified health-care providers with questions you may have regarding your symptoms and medical condition for a complete medical diagnosis. Do not delay or disregard seeking professional medical advice because of something you have read on this website.