Pregnancy Calculator
Use the Pregnancy Calculator to:
- Determine the due date
- Calculate the likely conception date
- Calculate the end of the first and second trimesters
- Find out for how many weeks have you been pregnant
- Calculate how many weeks you will be pregnant on a given date
- Calculate on which date you will be pregnant the specified number of weeks, and
- Determine the likely conception date when you know the birthday or due date.
How to use the Pregnancy Calculator
Enter the date of your last menstrual period and the number of days in your menstrual cycle into the pregnancy calculator, and click on the Calculate button. Other calculations are optional - use them when needed.
On average, there are 28 days in a menstrual cycle, but it can last from as little as 22 to as many as 44 days. The Pregnancy Calculator takes your menstrual cycle into account when calculating the due date and the conception date.
Also, the Pregnancy Calculator needs the number of days in your menstrual cycle when calculating the likely conception date from the given birthday or the due date.
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