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The truth about Pregnancy Due Date Calculator and Why it's Recommended by doctors

If you’re pregnant, you’ve probably spent some time wondering when your baby will make his or her grand entrance into the world. Thankfully, there’s a pregnancy due date calculator that can help you figure out when to expect your little one. 

This pregnancy calculator uses the first day of your last period to estimate the due date of your baby. This is because most women ovulate (release an egg) about two weeks after their last period starts. Once the egg is fertilized by a sperm, it takes another six to eight weeks for the baby to be ready to be born.

Importance of Pregnancy due Date Calculator

If you’re pregnant, you may have been told that your due date is 40 weeks from the first day of your last period. This works if you have a 28-day menstrual cycle and conceive on day 14. But not all women have a 28-day cycle, and ovulation often occurs later than day 14. So, your due date could be off by as much as two weeks.

A pregnancy due date calculator can help you better understand when to expect your baby. This tool takes into account the length of your cycle and the day you ovulated to give you a more accurate estimate of when your little one will make his or her grand entrance.

There are many different pregnancy due date calculators available online. Some are more detailed than others, but all will ask for the same basic information:

  • The first day of your last period;
  • The average length of your menstrual cycle (in days);
  • When you think you conceived (ovulation date).

With this information, the pregnancy due date calculator will use an algorithm to estimate when your baby is likely to be born. Remember that this is just an estimate – only about 5% of babies are born on their actual due date! – But it can give you a good idea of when to start getting excited about the baby’s arrival.

 

Benefits

If you’re like most expectant parents, you can’t wait to meet your baby. You probably have a good idea of when your baby is due based on the date of your last period. But what if you don’t remember the date of your last period or you had irregular cycles? The Pregnancy Due Date Calculator can help.

The Pregnancy Due Date Calculator estimates the date your baby will be born based on the first day of your last period and the average length of your menstrual cycle. It’s one of the most important tools for pregnant women and their healthcare providers.

Why? Because an estimated due date (EDD) ensures that:

  • You have enough time to prepare for childbirth, physically and emotionally;
  • You can plan ahead for labor and delivery;
  • Your healthcare provider can monitor your pregnancy more effectively;
  • You and your partner can better plan for time off work around the birth;
  • You can make sure that any prenatal tests are done in a timely manner;
  • You can set up child care arrangements in advance, if necessary.

It’s also worth noting that while most babies are born within two weeks either side of their EDD, about 5% are born outside this range. So even if you have an EDD, don’t be too surprised if your little one arrives a little earlier or later!

Types of Trimester Ends

There are three types of trimesters in pregnancy: the first, second, and third. 

  1. The first trimester is from conception to about 12 week’s gestation. 
  2. The second trimester is from about 13-28 weeks gestation. 
  3. The third trimester is from about 29 week’s gestation until birth.

The due date is calculated by counting 40 weeks from the first day of the mother’s last menstrual period (LMP). This assumes a 28-day cycle and ovulation occurring on day 14. Therefore, the due date could be anywhere between 38 and 42 weeks from the LMP.

  • First Trimester Ends:
  • Conception to about 12 weeks gestation;
  • Calculated by counting 40 weeks from the first day of the mother’s last menstrual period (LMP);
  • A due date could be anywhere between 38 and 42 weeks from the LMP.
  • Second Trimester Ends:
  • About 13-28 weeks gestation;
  • Calculated by counting 40 weeks from the first day of the mother’s last menstrual period (LMP);
  • A due date could be anywhere between 38 and 42 weeks from the LMP.
  • Third Trimester Ends:
  • From about 29 weeks gestation until birth

If you’re pregnant, you probably can’t wait to find out when your baby will be born. Luckily, there are many online pregnancy due date calculators that can give you a general idea of when to expect your little one.

To use a pregnancy due date calculator, you’ll need to input the first day of your last period and the average length of your menstrual cycle. The calculator will then give you an estimated due date.

 

 

Keep in mind that this is just an estimate and your baby may come earlier or later than the estimated due date. If you want a more accurate estimate, you can ask your doctor or midwife for an ultrasound.