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Can a blood test be wrong if you only wait four days?

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2015-07-15 21:06:43
2015-07-15 21:06:43

Four days after you ovulate? Or four days after your period is due?

Any pregnancy test could show a false negative if it's taken at the wrong time of your cycle. However a quantitative blood test -- one that will give you a number, not just a yes or no answer like a qualitative blood test -- is generally accurate.

To learn more about your cycles, you can check out the book Taking Charge of Your Fertility -- it will help you understand when you're most likely to get pregnant and also when a pregnancy test would be most accurate.

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