3 doctors weighed in:

is there such thing as a false positive pregancy test

3 doctors weighed in
Dr. Roger Duvivier
Obstetrics & Gynecology
2 doctors agree

In brief: False + pregn. tests

There is such a thing as a false positive urine pregnancy tests; there are lab errors; there a disorders of the liver, ovaries and other organs which can produce HCG or molecules similar to HCG; there are some molecules which may interfere with the pregnancy test performance or some reactives.
..False positive blood pregnancy tests may also occur but are much rarer.

In brief: False + pregn. tests

There is such a thing as a false positive urine pregnancy tests; there are lab errors; there a disorders of the liver, ovaries and other organs which can produce HCG or molecules similar to HCG; there are some molecules which may interfere with the pregnancy test performance or some reactives.
..False positive blood pregnancy tests may also occur but are much rarer.
Dr. Roger Duvivier
Dr. Roger Duvivier
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