False pregnancy tests?

It's highly unlikely. Home pregnancy tests are more prone to false negatives than false positives.

Yes, home pregnancy tests can produce both false positives and false negatives. If a home pregnancy test is positive, you should see a gynecologist to have the pregnancy confirmed as soon as you can.

False positive pregnancy tests are extremely rare. They are caused by tumors when they occur.

On rare occasions you can encounter a false positive due to improper testing, expired pregnancy tests, rare medical conditions such as certain types of cancer, evaporation lines or a chemical pregnancy.

A false positive pregnancy test is extremely rare, so I would say no, if the tests read positive you are most likely pregnant.

No. Pregnancy tests measure hcg in the system.

pregnancy tests can read a false negative but not a false positive

Pregnancy tests are not 100% reliable. False postitives are very rare, but false negatives are a lot more common, generally because people test too early for it to show as positive

False positive pregnancy tests are extremely rare, the test reacts to hCG which is a hormone found in the blood and urine of a woman who is pregnant or from certain rare medical conditions.

pregnancy tests can give false positives and false negatives, meaning, they screw up too. so take a couple of pregnancy tests then see a doctor. yes My sister's friend had her period the whole time she was pregnant.

Absolutely. Most Pregnancy tests tend to 90-96% accurate.

It is likely that you are pregnant. It is possible to have false negative results, but unlikely to have a false positive.

medications w/ certain hormones can cause false positives or negatives. and certain pregnancy tests are better than others. i recommend seeing a dr.

It is possible, though rare.

Yes, there are several cases of false pregnancy tests when a person has Lupus. This is due to the increased protein that a person with Lupus has.

You are most likely pregnant. Chances are the tests taken the first day were used just before you had enough hCG to confirm pregnancy, one day later the hCG had increased enough to give you your positive pregnancy tests. This is why false negative pregnancy tests are very common if used too soon. False positive tests are very rare.

The chances of that happening are very low as false positive pregnancy tests are very rare

No, pregnancy tests are specifically looking for hCG. A false positive is almost unheard of, a false negative usually happens when testing too soon - but neither are caused by levothyroxin.

No but antibiotics can cause your birth control to fail.

A pregnancy test attempts to determine whether or not a woman is pregnant. Modern pregnancy tests look for chemical markers associated with pregnancy. These markers are found in urine and blood, and pregnancy tests require sampling one of these substances. You cannot get a false positive because it detects the hormones, however you can get a false negative if its too early in the pregnancy.

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.

A false positive result on a pregnancy test means that while the test may have said that you are pregnant, you really aren't. False positives are usually caused by old/faulty tests, incorrect reading or use of the test, or by an under lying health condition. However, home pregnancy tests are more likely to give you a false negative than a false positive.

On rare occasions you can encounter a false positive due to improper testing, expired pregnancy tests, rare medical conditions such as certain types of cancer, evaporation lines or a chemical pregnancy.

On rare occasions you can encounter a false positive due to improper testing, expired pregnancy tests, rare medical conditions such as certain types of cancer, evaporation lines or a chemical pregnancy.

No, false positives are very rare and are not caused by or indicative of a STI.