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Doctor insights on: What Can Cause A False Blood Pregnancy Test

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Dr. Sanjiv Kaul
4 doctors shared insights

Pregnancy (Definition)

When your due date arrives, you will be more than ready to have your baby! Most women deliver the baby somewhere between 37 and 42 weeks. According to the American College of Obstetricians and Gynecologists, only 5% of babies arrive on the exact due date. Approximately 7% of babies are not delivered by 42 weeks, and when that happens, it is referred to ...Read more


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Last period was 3/26, if i had sex on the 7th and 9th of this month; can a blood pregnancy test be accurate or can I still get a false negative?

Last period was 3/26, if i had sex on the 7th and 9th of this month; can a blood pregnancy test be accurate or can I still get a false negative?

Positive test hcg: Its probably a little early for commercial test to turn positive at this time. Most of them work or turn positve the day before you missed your period. You can easily get a false negative test now and still be pregnant. Good luck. ...Read more

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Is it possible to get a false negative on a quantative blood pregnancy test 3 weeks after a missed period?

Is it possible to get a false negative on a quantative blood pregnancy test 3 weeks after a missed period?

Less likely.: God bless u! http://www.early-pregnancy-tests.com/blood-pregnancy-test.html. http://m.voices.yahoo.com/10-herbs-promote-fertility-increase-chances-2491984.html. http://health.howstuffworks.com/pregnancy-and-parenting/pregnancy/conception/ten-tips-for-optimal-conception.htm.

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Can a blood pregnancy test be wrong?

Can a blood pregnancy test be wrong?

Only if: the test is done too early, or (obviously) if the test is defective or run incorrectly. ...Read more

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How much is the blood pregnancy test?

How much is the blood pregnancy test?

Depends: There are two different "blood" pregnancy tests - qualitative and quantitative. They have different costs and will have different costs for the same test at different labs. The charges may be a few dollars or ten's of dollars. It will almost always be less expensive to use an over the counter urine pregnancy test - and will be just as accurate as the qualitative blood test. ...Read more

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When is a blood pregnancy test accurate?

When is a blood pregnancy test accurate?

About 8 days after: Blood HCG tests detect levels very soon after embryo implantation starts. The embryo usually start implanting at about 7 days after conception. So a day later blood HCG levels will start to go up. Urine tests usually turn positive at 10 days after conception. They are slightly less sensitive than blood tests. ...Read more

Dr. Stephen Sudler
482 doctors shared insights

Pregnancy Test (Definition)

A pregnancy test measures a hormone called human chorionic gonadotropin (HCG). HCG is a hormone produced during pregnancy. It appears in the blood and urine of pregnant women as early as ...Read more