There is a very good possibility that, as a mother to be, you would like to calculate conception date from due date, but you aren’t sure how to go about it. The easiest way to do this is to go online and find a site that has a conception calculator that you can use. All you need to do is input the estimated due date and the algorithm will figure out when the date of conception could have been for you. There is a very good chance that you will be able to remember the exact day, or night, that you had sexual intercourse if you are given a close approximation.
Most calculate conception date from due date calculators take into account that ovulation happens 14 days prior to your period, and that you can actually become pregnant anywhere up to a week before ovulation. Thus, you will find that by adding 266 days to the date of your ovulation period will show you exactly when your due date is. By subtracting those 266 days from your due date, it will show you the approximate days that you were ovulating, and that is usually when conception happens.
Being able to calculate conception date from due date can be a very good thing if there is the possibility that your child could have two different fathers. Of course, this will be of no help to you if they were both on the same day or night. Then, you would end up needing a DNA test to find out who the father is for sure. But if there is a week or so between them, then a calculation like this can tell you which one it is with a fairly good estimation. You might want to still have the DNA test; just in case, but the closer the date of conception is to one father the higher the chance that he is indeed the one.
You should understand that calculate conception date from due date online calculators are only as reliable as the due date information you input. If your due date is wrong, then you are going to find that the conception date is also going to be wrong. In fact, the best possible way to find your conception date with a calculator like these is to wait until your child is born and then use that date. This will give you close to 100% accuracy in determining the conception date of your child.↑ Back to Top