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How soon can I get a blood test for a pregnancy

A 23-year-old female asked:
Dr. Gerard Honore
Fertility Medicine 29 years experience
Same day: You can wait longer but a serum (blood) test is reliable even a day or two before the expected missed period.

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A 29-year-old female asked:
Dr. Amy Levine
Radiology 23 years experience
Home test: If the urine test is positive, there is no need for a blood test. Blood tests are used when it is too soon for a urine test.
Dr. John Munshower
Family Medicine 30 years experience
Reliable: Home urine pregnancy tests are very reliable, however most providers may check a confirmatory blood test as part of the first prenatal visit.
A 47-year-old member asked:
Dr. Ronald Krauser
A Verified Doctoranswered
A US doctor answeredLearn more
No: Standard blood studies do not address that question. A quick urine test for HCG is the easiest way.
A 37-year-old female asked:
Dr. Ivelisse Rivera-Godreau
Family Medicine 24 years experience
Repeat..: It is certainly a low Hcg level but still you would need to have it repeated in order to have a final diagnosis. With pregnancy the levels should be r... Read More
A 23-year-old female asked:
Dr. Robert Killian
General Practice 28 years experience
Obstetrics: You can get this at any family clinic, OB clinic or even at planned parenthood.
A 22-year-old female asked:
Dr. Gurmukh Singh
Pathology 49 years experience
See below: 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... Read More
A 51-year-old member asked:
Dr. Heidi Fowler
Psychiatry 25 years experience
When did you do it?: If you have been sexually active and have missed your period then you can go ahead and take a home pregnancy test (HPT) now. If negative and still no... Read More
A 20-year-old female asked:
Dr. Susan Rhoads
Family Medicine 38 years experience
Something's going on: Could try another test (follow instructions exactly) If negative, see your doctor, likely a blood pregnancy test will be done since you ad an abnorma... Read More
A 24-year-old female asked:
Dr. Robert Kwok
Pediatrics 33 years experience
May repeat in a week: Today's home pregnancy tests are very accurate and not affected by foods, herbs, common illnesses, sexually transmitted diseases, vaginal spotting, or... Read More
A 22-year-old female asked:
Dr. Gurmukh Singh
Pathology 49 years experience
Yes,Tested too early: Home pregnancy test should be done 5-6 days after a missed period, negative result from a test done too early does not rule out pregnancy. You may get... Read More

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