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due date predictor

January 22, 2008 by  

There are a lot of nice due date calculators on pregnancy web sites and they are easy to use and save you the work of figuring out your due date. Pregnancyandlife.com also offers a simple pregnancy due date calculator – the predictor calculator also doubles up as a calculator which predicts your most fertile time of the month.

However, if you want to know how what is behind a due date predictor calculator, its easy to understand.While you may not know the exact date of conception, you can work out your due date from the date of you last period. Your last period is the benchmark date that everyone uses as the “beginning” of pregnancy. Since pregnancy lasts around 280 days, give or take, or 40 weeks – then all you do is recall the first day of your last period – and add 280. This calculation gives you the gestational age.

By the way, if your doctor mentions “ovulatory age” then all they are doing is using your ‘conception’ date – about 2 weeks before your last period – as a due date predictor.

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  1. Anonymous says:

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  4. [...] How could you possibly get any bigger ? Or more uncomfortable ? You may already be aware that predicting a due date doesn’t always give you an “exact” due date and only women who are induced or [...]

  5. [...] can calculate your due date and conception date by reading our due date predictor post. All you need to know is the date of your last period. This date also gives you a rough idea [...]



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