Pregnancy Test Accuracy False Negative

Accurate Pregnancy Test

Pregnancy tests detect the increase in human Chorionic Gonadotropin (hCG) hormone in urine. Home pregnancy tests generally detect pregnancy at 50 mIU – 100 mIU hGG. hCG hormone secretion from the developing placenta begins shortly after a fertilized egg has been implanted in the uterine lining. Once the testing strip is exposed to urine, it detects the presence of hCG.You should know that most of the brands out there work the same way in order to tell whether a woman is pregnant or not. These tests look for presence of the hormone Human Chorionic Gonadotropin or hCG in the woman’s urine. This hormone is secreted after the embryo has implanted in the uterus and is produced by the placenta – so its presence in the urine of a woman is an accurate indicator that the she is indeed pregnant. If a test is taken too early in pregnancy then there may not be any hCG in their system yet therefore, it will yield a negative result (which may not be negative at all if you’ve just taken the test too early.) False positive results can also happen and are caused by a different set of factors.Recent studies have revealed that of 18 products tested, first response early result -a brand was the most sensitive brand and detected pregnancy in 95% women. Clear blue came second in the sensitivity test study.Blood test is even more effective than urine test as it can detect even lower level of hormone. Some of the things that affect accurate pregnancy test are: – fertility drugs, HCG containing medicines. But birth control pills, antibiotics and allergy medications don’t affect the pregnancy test.Thus accuracy in pregnancy tests also depends upon our personal choice and brand of products we decide to use and also on how cautious, hasty and perturbed one is. Sometimes people have the tendency to turn simple instructions into complicated ones, and thereby not doing the test efficiently. Improper testing, double checking also leads to inaccuracy and ambiguity.Yes. Most home pregnancy tests suggest women take the test again in a few days or a week. The accuracy of home pregnancy test results depends on the woman. All women vary when it comes to their menstrual cycle, therefore, the test results will also vary. Ovulation can occur from as early as day 9 and as late as day 21 of a woman’s menstrual cycle. Also, embryos implant in the uterus at different times. Other things can also affect the accuracy.If women test too early in their pregnancy, they can get a false negative result. Other times, pregnancy problems can affect the amount of hCG in the urine.

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Author is a renowned information publisher. Her specialization is in Woman issues like Diabetes-while-Pregnant. Accurate Pregnancy Test, <a href=”http://www.getallabout.com/pregnancy/pregnancy-test/accurate-pregnancy-test.htm”>Problems in Urine Tests</a>, <a href=”http://www.getallabout.com/pregnancy/pregnancy-test/accurate-pregnancy-test.htm”>Pregnancy Test Kit</a>
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Wondfo Pregnancy Test Strips, 25-count $3.09 HOW DOES IT WORK? Human chorionic gonadotropin (hCG) is a hormone, produced by the developing placenta shortly after the conception and secreted into the urine. The pregnancy test contains antibodies which specifically react with this hormone. HOW TO READ THE RESULTS Negative (not pregnant): Only one color band appears, in the Control Zone. No apparent band on the Test Zone. This indicates that no…

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