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Pregnancy Calculator
Our pregnancy calculator will calculate your estimated
due date, the fetal age, which is the age of your developing
baby as well as the conception date. This is also a great tool to
use in conjunction with our detailed week
by week pregnancy calendar.
Remember, the more you know about your own monthly cycle the more accurate the calculator will be. If you are trying to fall pregnant, read our section on conception.
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Pregnancy Calculator- Calculate Your Due Date
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How does our pregnancy calculator work?
Have you ever wanted to know how your doctor or health care provider calculates your estimated due date and age of your baby? Well, it is actually a really simple process:
You add 280 days to the first day of your last menstrual
period, or LMP
It is really as simple as that. The 280-day cycle works on the typical 266-day gestation period for humans. We get 280 days because we add 14 days, which is the average time span for when you would have ovulated.
Obviously this is just an average, but with our calculator
the 14 days can be changed for what your actual Luteal
Phase, or to what your actual ovulation period actually is, and this makes it
extremely useful, as the more you know about your monthly
cycle, the more accurate your calculations will be.
The more you know about your monthly cycle
the more accurate our calculator will be. So as mentioned
in the conception basics,
it is a good idea to track your monthly cycles for a few months
before hand.
Of course not all pregnancies are planned, but if your monthly
cycle is more regular, then you should have no problems using
our calculator.
Don't forget that you can use these calculations in conjunction
with our pregnancy calendar.
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