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Doctor insights on: Can A Blood Test Detect Pregnancy

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When can a blood test detect pregnancy?

When can a blood test detect pregnancy?

10 days.: Blood test HCG quantitative test can show pregnancy as early as 10 days of conception. ...Read more

Dr. Suzanne Galli
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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How soon can a blood test detect pregnancy?

How soon can a blood test detect pregnancy?

Soon: You can get a blood test with same day results and they can be reliable 1 to 2 days before your missed menses. I do not like to do pregnancy tests too early. Several women have biochemical pregnancies that do not grow and get a normal period 1 to 2 days later. So, my suggestion is that you do your blood test when you miss your period. ...Read more

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How early can a blood test detect pregnancy? Please answer only if you know the definitive answer. Obgyns?

How early can a blood test detect pregnancy? Please answer only if you know the definitive answer. Obgyns?

Date of conception.: A quantitative blood test can tell approximately the date it was conceived. The beta subunit of HCG or human Chorionic Gonadotropin can be detected in urine or blood after implantation or 6-12 days after fertilization. The test which can give the quickest result is a rosette inhibition assay for early pregnancy factor (epf) which can tell within 48 hours of fertilization, but it is expensive. ...Read more

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How soon after intercourse can a blood test detect pregnancy?

How soon after intercourse can a blood test detect pregnancy?

After missed period: Conception, as defined by the generation of a fertilized ovum, occurs within day or so of the sex. However, it takes about two weeks for the embryo to make enough HCG to produce a positive pregnancy test. Blood test may be done a day after a missed period. Home pregnancy tests should be done 4-5 days after the missed period. Use first morning urine and follow instructions for the test carefully. ...Read more

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How many days after first day of last period can blood test detect pregnancy?

After missed period: It is better to do the test after a missed period. Blood test may be positive a day or two sooner than that, but a negative result will not rule out pregnancy at that time. For home test, it is better to wait 4-5 days after a missed period. ...Read more

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How long before a missed period will a blood test detect pregnancy?

How long before a missed period will a blood test detect pregnancy?

Pregnancy: Great majority of pregnancies occur when coitus takes places within the 3 day interval just prior to ovulation. The first hormonal evidence of implantation (appearance of hcg) ocurred on 8 to 10 days after ovulation. Some commercial urine pregnancy test dont become positive until 5 days before your missed period. If negative and still suspect a pregnancy do a blood level pregnancy test. ...Read more