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Online pregnancy tests work by using statistics and common symptoms to take an educated guess on whether a person is pregnant. It is inaccurate; for an accurate test the best way is to consult a doctor.

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12y ago

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How do blood pregnancy tests work?

It tests the hCG (pregnancy hormone) levels that are in your blood.


Will pregnancy tests work for dogs?

no it will not


Where can one find more information about positive pregnancy tests?

There are many online websites that will provide you with information about positive pregnancy tests. The best online website to check would be American Pregnancy Org.


What is the best online pregnancy test?

There is no online pregnancy tests. And if you wanna make absolutley sure then you should see a doctor.


Do pregnancy tests work on cats to determine if they are expecting kittens?

No, pregnancy tests for humans do not work on cats. Veterinarians can determine if a cat is pregnant through physical exams, ultrasounds, or blood tests.


What are some retailers that sell online pregnancy tests?

A wide range of pregnancy test can now be bought online. Tests can be purchased from the online sites of high street retailers such as Boots and Lloyds Pharmacy as well as online chemist such as Chemist Direct and Babymed.


Can a negative for a pregnancy test change being positive?

Yes it can if you have tested too early. Here is a link for information on how pregnancy tests work: http://thefertilityshop.com/fertility/pregnancy-tests-work-a-17.html


Which online store sells the cheapest pregnancy tests?

Walmart and CVS offer online delivery of pregnancy tests. Delivery charges aren't inexpensive so one can also look at the shipping charges on a site such as amazon.


Would the pregnancy tests work if you didnt have a normal period?

yes


Do home pregnancy tests not work for some women?

No, they work if you are ten or more days pregnant


How do pregnancy tests work?

Pregnancy tests detect the presence of human chorionic gonadotropin (hCG), a protein that is secreted by the placenta, or newly forming child. These tests can only truly be determined about 6 days after conception.


Does a pregnancy test detect the hormone if tubes are tied?

Pregnancy tests work the same on women with and without their tubes tied.