Doctor insights on:
Pregnancy Test Accuracy False Negative
If you're pregnant or planning to get pregnant, there are many things you can do to give your baby a healthy start: Regular prenatal visits along with laboratory testing, ultrasounds, prenatal vitamins and immunizations (like the flu shot and whopping cough booster). Now's the time to eat healthy, stay hydrated, and ...Read more
I'm two and a half weeks late and pregnancy test are saying negative. I would be 5 and a half weeks. Could it be to soon and just be false negative?
Depends: Almost all comercial preg tests report efficacy close to 99%. Trick is however, that depends on when they are done. There is a higher false negative rate if performed before the time os the missed cycle. Most-if not all- pregnancy tests should be positive by one week after a missed cycle. Always check the boxes. They state their "sensivitiy" level. ...Read more
Pregnancy: Your question is confusing. If you know you are 7 weeks pregnant, why test again? If you've missed your period but have not had a + pregnancy test, then i cannot tell you what the odds of the test being negative (clear blue digital). Home pregnancy tests are usually pretty accurate, so if it is repeatedly negative, chances are you are not pregnant. ...Read more
See below: The test is past its expiration date; you took the test the wrong way; you tested too soon; your urine is too diluted because you consumed large amounts of fluid right before the test; you are taking certain medications, such as diuretics or antihistaminics. If you are still concerned you may see your doctor for a blood test. http://www.webmd.com/baby/guide/pregnancy-tests. ...Read more
Yes: If you test too early that can occur. ...Read more
What is the chance of getting a false negative on pregnancy test at possible 16 weeks of pregnancy?
Hmmm...: Most women know they are 16 weeks pregnant without a urine or blood test. So, if there is an obvious baby inside, then any negative pregnancy test is a false negative. That being said, a false negative pregnancy test is rare after 4-5 weeks of pregnancy... which means that if a woman has not "confirmed a pregnancy" at 16 weeks, and she gets a negative test result, she should visit her doctor. ...Read more
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