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Maternal  (Expert Forum)
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Quanitative Blood Tests
Patient medical question and answer from The Maternal and Child Health Forum. Health topic area and articles about newborn care

Quanitative Blood Tests

by Jil__0, Jan 01, 1995 12:00AM
Posted By Jill on January 25, 1999 at 09:20:56:







I have a question regarding quantitative blood tests.  Will a quantitative test be affected at all if I am taking Ortho-Cyclen birth control pills and am a smoker?  My OBGYN ordered a quantitative blood test because I thought I might be pregnant and I had the blood taken yesterday and am awaiting the results and wanted to make sure smoking and Ortho-Cyclen wouldn't affect the results of the test.
Also, I had blood taken last week for a qualitiatve test - will that affect my quantitative test results? I didn't think so but wanted to ask and be sure.

One more question for you if you have time - can you tell me what the difference between a quantitative and qualitative blood test is and which is more accurate?  I had a qualitative test done about two weeks ago and it came back negative but the Dr. decided to do a quan. test anyway to alliviate some of my concerns.  Does that mean a qual. test is not reliable?  
And is there ever anyway that one is testing too late for pregnancy on a home test or blood test. In other words, would it ever happen that a test would show a negative and not positive when it really was because there is too much hCG in the body?
Thanks so much for your help!!  You are definitely more informative than my OBGYN is with me and you have helped answer many of my questions!  I appreciate all the time you put into this bulletin board.


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