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Is There A False Negative Pregnancy Test
May be too early: If you are pregnant, your HCG level is not yet high enough to the threshold that the home pregnancy test was made to detect. Many times, the HCG levels are not high enough until you have missed your period (meaning you are at least 2-3 weeks pregnant). You can do a blood test or urine test at a doctor's office (which often detects much lower levels) to confirm your pregnancy. ...Read more
When your due date arrives, you will be more than ready to have your baby! Most women deliver the baby somewhere between 37 and 42 weeks. According to the American College of Obstetricians and Gynecologists, only 5% of babies arrive on the exact due date. Approximately 7% of babies are not delivered by 42 weeks, and when that happens, it is referred to ...Read more
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. ...Read more
If the home pregnancy test is positive and the blood test is negative is there still a chance of pregnancy?
Ectopic Pregnancy: Positive.Get a more detailed answer ›
Is there such thing as a false positive ive heard of a false negative if a test is positive its means pregnant right?
Statistics: There are few, if any, tests that are 100% accurate. We measure accuracy by considering a test sensitive or specific. A highly sensitive test rarely misses a condition (few false negatives). A highly specific test rarely mistakes another condition for the one it's testing (few false positives). Repeating the test, with a different kit, will help raise the accuracy of your finding. ...Read moreSee 1 more doctor answer
Is it possible to have a false negative blood test for pregnancy? I've had positive home pregnancy tests for 2 weeks but my blood test said negative
You are pregnant: Not common at all.Get a more detailed answer ›
What is a reason for you to have 3 positive home pregnancy tests but a. Negative blood pregnancy test?
Possibilities: Here are a few possibilities: 1. You are doing the home test wrong --- letting it sit too long or have expired tests 2. You miscarried between doing a home test and taking the blood test 3. There is a lab error on your blood test. Try repeating the urine now since you have had a neg blood test. If positive then repeat the blood. Blood is the more accurate test. ...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
See below: When done in accordance with manufacturer's direction, both sensitivity and specificity are high. ...Read more
Negative--repeat it: The hpts are quite accurate, but they have their limit--maybe too early for the test to pick-up in your case. So, waite 5-7 days and repeat the test. If still negative then, likely it is negative. If positive, congrats and call your doc for care. Good luck. ...Read more
Yes: But its extremely rare.Get a more detailed answer ›
A positive pregnancy test result followed by a negative result which is more likely false positive or a false negative?
Too early to tell.: Implantation occurs about 9 days after fertilization. This is usually a bit before your next cycle is to start. Preg test usually turns positive a week or even later after implantation. If your cycle is more than 5 days late then the test is usually positive. No one can tell you exactly what day it turns positive on. Exactly when you ovulated, fertilized and implanted are all estimates. ...Read more
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