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Doctor insights on: Accuracy Of A Blood Pregnancy Test

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Dr. Ravi Chand
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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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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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

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How quickly does a blood pregnancy test work?

Around menses time: A blood pregnancy test will be accurate about 12 days after ovulation, which is usually just prior to your expected menses. By the time of your expected period a pregnancy test should be accurate. ...Read more

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How early can you take a blood pregnancy test?

How early can you take a blood pregnancy test?

More reliable if...: A urine pregnancy test can be taken any time, but it gives a reliable result about 3 weeks after sex (when conception might have occurred), or 1 week after missing a period. ...Read more

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How long before i can take a blood pregnancy test?

How long before i can take a blood pregnancy test?

Around menses time: A blood pregnancy test will be accurate around 12 days after ovulation, which is usually just prior to expected menses. Generally by the time of your expected period a pregnancy test will be accurate. ...Read more

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How soon can a blood pregnancy test detect pregnancy?

How soon can a blood pregnancy test detect pregnancy?

Missed period: One gets concerned about pregnancy when misses period. By that time blood pregnancy test should be pregnancy. ...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