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How far along do you have to be before a blood test can tell if you are pregnant?

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Wiki User
2015-07-16 18:19:02
2015-07-16 18:19:02

at least 3 weeks, usually more toward the 4th week.

~pawsalmighty

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A blood test that only your doctor can give is the only sure way to know if you are pregnant before you miss your period.

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You can tell if you are pregnant two weeks after conception, which is generally around the time of your expected period. Home tests are quite reliable by this time, and blood tests can tell about a week before this. You cannot tell you are pregnant two weeks after your last period as this is around the time you normally conceive.

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If he performs a pregnancy test on the blood, yes.

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Depends on how far along you think she is.

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Yes. Through an ultrasound and information such as when your last period was, your doctor can tell you.

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Some diseases can be detected by blood tests, and others can not.

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she dosent he dies before she could tell him

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can you take a pregnancy test 9 days before your missed period and get the right answer? will it tell me if im pregnant

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There is a simple blood test the doctor can do called a fsh

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+/plus= Pregnant -/ minus= Not pregnant On the new clearblue pregnancy test if you are pregnant then it can tell you how far along you are.


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