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You can take a pregnancy test from two weeks after you last had sex. Check your home pregnancy test to make sure it is sensitive enough to pick up pregnancy hormones that early on, or consider taking a pregnancy test at your doctors office.

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9y ago
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15y ago

40! And you will know definitely when you go into labor and deliver a baby.

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Wiki User

14y ago

It should be about acouple days or possibly a week.

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Q: How many weeks pregnant do you have to be to do a positive test?
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Related questions

How many weeks pregnant do you have to be to get a positive pregnancy test?

One to two weeks.


How many days until a missed period means your pregnant?

well when you take a pregnancy test and it come out positive you have to at least be 4 weeks pregnant for that test to positive


What test tells you how many weeks pregnant you are?

a blood test tells you how many weeks you are when you are pregnant.


Can you have a positive pregnancy test at 3 weeks pregnant?

Yes.


Can you be two weeks pregnant and tests positive on a pregnancy test?

Yes you can!!!!!!!!


How far do you have to be pregnant for a home test to show you are positive?

One to two weeks, or about two weeks after intercourse.


Can you be pregnant for a month and a pregnancy test still show up negative?

If you are four weeks pregnant you will have enough hCH to have a positive pregnancy test.


If you got pregnant and did not know and took while pregnant will the pregnancy test be negative or positive?

Even if you didn't know you were pregnant but you were at least two weeks along, your pregnancy test will show up positive. But if you were less than two weeks along it will come out negative even if you do end up pregnant.


In 2 weeks can you tell if you are pregnant?

Sometimes you can get a positive pregnancy test result at 2 weeks, but it's generally more accurate at around 3 or 4 weeks


How many weeks does it take after conception to test positive on a blood pregnancy test?

4 weeks


Can a pregnant test tell you if you are pregnant in two day after intercourse?

No pregnancy test can detect pregnancy that early. It takesabout 2 weeks for your body to produce the hormone that would test you as positive.


Can you be pregnant period two weeks ago positive pregnancy test?

YES YOU CAN!!!!! You can actually get pregnant while you have your period - unlikely, but possible.