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How accurate are chlamydia tests using urine samples for women?
The rates of false negative and false positive chlamydia tests for various types of tests are as follows (see related link):Becton-Dickinson NAAT female urine: 1% false positive; 19.5% false negativeGen Probe NAAT female urine: 1.1% false positive; 5.3% false negative
What if you r taking vitamin's that has the same things in it as prenatal's will it make you test a false positive?
A pregnancy tests detects the hcg in your system. It can read a false negative but not a false positive.
Am i pregnant i took 3 at home pregnancy tests and all were positive?
Congrats. Most probably you are. False negative test are more likely than false positive ones. So yes.
What is the likely hood of being pregnant with a negative result?
It is more common for home pregnancy tests to give a false negative than a false positive. You could be testing too soon. Home pregnancy tests are considered accurate 14-16 days after ovulation.
What are the chances of a false positive DFA chlamydia test?
Depending on the test, there is about a 5% chance she is right and 95% chance she is not telling the truth.The rates of false negative and false positive chlamydia tests for various types of tests are as follows (see related link):Chlamydia culture (rarely done): 0% false positive, 15-30% false negative.Swab with DFA: less than 1% false positive; 15-20% false negativeBecton-Dickinson NAAT cervical swab: 1.9% false positive, 10.3% false negativeBecton-Dickinson NAAT female urine: 1% false positive; 19.5% false negativeBecton-Dickinson NAAT male urine: 1.6% false positive 5.5% false negativeGen Probe NAAT cervical swab: 1.9% false positive; 5.8% false negativeGen Probe NAAT vaginal swab (e.g. self administered): 1.6% false positive; 3.3% false negativeGen Probe NAAT female urine: 1.1% false positive; 5.3% false negativeGen Probe NAAT male urine: 0.9% false positive; 3% false negativeIt is possible to test positive for chlamydia but be negative.Less than 2% false positive with chlamydia test.
Does baking soda help give a false negative on urinalysis tests?
I haven't had a positive yet although i ride 300 miles a week
3 positive pregnancy tests and 3 negative tests?
medications w/ certain hormones can cause false positives or negatives. and certain pregnancy tests are better than others. i recommend seeing a dr.
Is it possible to have 2 out of 3 positive pregnancy tests be false?
A false positive pregnancy test is extremely rare, so I would say no, if the tests read positive you are most likely pregnant.
Can it show positive when you are negative?
The question is difficult to answer because there is no information on what "it" is. Assuming that it is some sort of test result, the answer is, yes, it is possible. Most (if not all) tests are not 100% accurate and there is a small chance that the result will be a "false positive" as in the case here. Similarly, there is usually also a small probability of a false negative: that is, when the test shows negative when you are positive. Most tests are not perfect, but a trade-off between these two types of errors, with the consequences of the wrong decision being taken into account .
Do steroids cause a false positive pregnancy test?
no prednisone is a steriod that does not interfere with pregnancy tests.
You have missed your period for 3 months you took a pregnancy test one said negative and one said positive you got a doctors appointment but a month away im needing input?
Pregnancy tests react with a hormone that is present only during pregnancy. If one of your tests was positive, that hormone could be present, which means you are pregnant. However, since one of your tests was negative, this could mean that the positive test was a "false positive." A "false positive" happens sometimes, but it is very rare. The only way to know for sure if you are pregnant or not is to go have an ultrasound done at the doctor's office.
What do you do if pregnancy tests give different results?
Usually different results from pregnancy tests come from using the test too early. Taking the test too soon will cause a test to read a false negative. Some HPT are more sensitive than others, they will read positive sooner than a less sensitive test. False negative results are very common from using the test too early, false positive is almost unheard of unless the test kit was damaged somehow. Always check the kit before using it, including the expiration date and follow directions.
