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It takes roughly 24 hours for sperm to travel to the egg and fertilize it and then another week or so for the fertilized egg to travel to the uterus and implant in the uterine wall. Once implanted, it begins to form the placenta, which is what produces HCG, the hormone that pregnancy tests look for, even the bloodtest that you get at the doctor's office.

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12y ago

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Related Questions

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.


Is it possible for a doctor to tell your pregnant 2 weeks after intercourse?

Yes he can


How long does it take for someone to tell if they are pregnant?

14 days after intercourse.


How can you tell that your pregnant after the 4th day?

You can't; You will need to wait 14 days after intercourse to determine if you are pregnant.


What if you had intercourse after 2 weeks of a miscarriage?

There are those who start ovulate this early so you can get pregnant.


Will a pregnancy test show a fals positive taking it right after unprotected intercourse?

A pregnancy test WILL NOT tell you if you are pregnant immediately after having intercourse unless you've had intercourse within the last nine months (on another occasion) and you are already pregnant.


Can pregnancy symptoms start less than 24 hours after intercourse?

No. That early you are not even pregnant yet.


Are early pregnancy test reliable?

when you are early it is hard to tell if you are pregnant or not


You had your implanon taken out two weeks ago and had intercourse during that time how soon can you tell if im pregnant and could you have gotten pregnant and not know yet and how soon can i tell?

You can tell if you're pregnant two or three weeks after unprotected sex.


If you were supposed to ovulate on February 26 and had intercourse how soon could you take a pregnancy test?

Usually 8 days after intercourse is the soonest that you can accurately tell if you are pregnant or not.


How long should the bleeding occur after intercourse when you are pregnant?

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How early after your period will you cramp if pregnant?

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