How Is My Due Date Determined?

To know exactly how many weeks of pregnancy you are and how many months it means you need to calculate the gestational age and for this you only need to know the Last Menstruation Date and count in a calendar how many weeks there are until the current date so you know everything. You can find the due date calculator on the web to help you as well.

What if I do not know the date of last menstruation?

When the woman is not sure what the last menstrual day was, adding information to the pregnancy calculator, the safest way to know how many weeks of gestation is and what the probable date of delivery is through ultrasound or uterine height, which is what the doctor usually calculates the weeks and months of pregnancy. For this are considered:

  • Amount of Beta HCG in blood;
  • Uterine height after the 12th week of gestation and
  • Ultrasonography requested by the gynecologist.
  • How to Know Gestational Age in Weeks and Months
  • How to calculate gestational age in weeks

Understanding your periods

To calculate gestational age in weeks without pregnancy calculator, note the date of the last menstruation on a calendar. Every 7 days, as of this date, the baby will have another week of life.

The calculation is made so because although the woman is not yet pregnant, it is very difficult to define exactly when fertilization occurred, because sperm can survive up to 7 days in the woman’s body before fertilizing the egg and actually initiate the pregnancy.

How to know gestational age in months

  • 1st Trimester 1 month until 4 weeks and a half of gestation
  • 1st Quarter 2 months 4 and a half weeks to 9 weeks
  • 1st Trimester 3 months 10 to 13 weeks and a half of gestation
  • 2nd Trimester 4 months 13 and a half weeks of gestation at 18 weeks
  • 2nd Trimester 5 months 19 to 22 weeks and a half of gestation
  • 2nd Trimester 6 months 23 to 27 weeks of gestation
  • 3rd Trimester 7 months 28 to 31 weeks and a half of gestation
  • 3rd trimester 8 months 32 to 36 weeks of gestation
  • 3rd trimester 9 months 37 to 42 weeks of gestation

Usually the pregnancy lasts 40 weeks, but the baby can be born between 39 and 41 weeks without problems. However, if labor does not start spontaneously until the age of 41 weeks, the doctor may choose to induce labor with oxytocin in the vein.

How to calculate the probable date of the baby’s birth

To calculate the probable date of delivery, which should be around 40 weeks after the , it is necessary to add 7 days to the DUM, then count 3 months back and then put the following year. You can also look for due date calculator on the web.

This calculation does not give the exact date of the baby’s birth because the baby can be born between 37 and 42 weeks of gestation, however, the mother is already informed of the likely time of the baby’s birth.

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Pregnancy due Date and Conception Calculator

 Many women are making use of the pregnancy due date and conception calculator. This is so that they can get pregnant faster and without any problems along the way. But, before you can use the calculator, you need to make sure that you know everything there is to know about these calculators. This is the only way to make sure that you are going to be successful in using the calculator and about getting pregnant fast.

Knowing and understanding all the terms

It doesn’t really matter if you are using the pregnancy calculator or the conception calculator. The thing that really does matters is that you know and understand all the terms when you are using the calculator.

There are many women that are using these calculators incorrectly, and this is just because they didn’t understand all the terms correctly. There are many guides online that are going to tell you exactly what the different terms mean, and how to use the calculators correctly. Make sure that you understand these terms before you start using the calculator.

How accurate are these calculators?

You need to know that some of these conception calculators are more reliable than others. Meaning that some calculators are quite accurate, while others might not be as accurate as what you hoped it should be. If you are using more than one calculator, you will see that the answers might be different.

This is because some of the calculators are more reliable than others. But, this can make you unsure if the calculator that you are using is the accurate one or the fake one. It is important that you should make sure that you are going to use the calculator that comes highly recommended.

Making sure that you are going to use the right calculator

It is important that you make sure that you are going to use the right, and highly recommended calculator. This is the only way that you can make sure that you aren’t going to make a mistake with the pregnancy calculator or the conception calculator.

You need to make sure that you are going to do research and read reviews. This is the only way that you can know which of these calculators are the accurate ones that comes highly recommended. There are some of the paid calculators and some are free. By using the paid ones, you are going to make sure that you are going to use one that is trustworthy and reliable. The free ones are normally the lower quality ones.

To be able to get pregnant, you might want to use the conception calculator. This is so that you can see when are your chances the highest to get pregnant. However, you need to make sure that you are going to use the best possible calculator that is going to give you the most accurate readings and answers. Those that have used these calculators before and didn’t succeed to get pregnant, might have used the wrong pregnancy calculator to get pregnant.