Probably not...I think I remember reading that one of the earliest tests could be taken 4-5 days before your period was due. Best bet is either wait or get a blood test.
I found out at 13 dpo. with a faint positive hpt. But doctor say to wait until your missed period or 8 days after your missed period. According to the ClearBlue pregnancy test accuracy results they are: 4 days before expected period= 51% accurate 3 days before expected period= 82% accurate 2 days before expected period= 90% accurate 1 day before expected period =95% accurate the day of expected period =99% accurate
Retest one week after your missed period, some tests are sensitive enough to use the day your period is due but others are not. By one week after your period was due, your hCG will be at a level any HPT should be able to give an accurate and reliable answer. Using the HPT 5 days before your period is due is always going to be unreliable, unless you have very irregular cycles. Generally speaking, ovulation occurs 14 days before your period is due, you then have a 24 hour window to conceive. 10 to 12 days after conception the fertilized egg starts implanting into the uterine wall, at that time your hCG level starts rising and will be at the necessary 50mIU/ml to 80mIU/ml - between 2 1/2 and 3 1/2 weeks following conception, which just happens to coincide with the week your period is due.
what had happen you either had a false negative or a false positive--this happen when you have low hcg level in your urine--like you said you took two other hpt and came back positive-- i assume you are pregnant with low hcg level and the clear blue digital didn't pick up your hcg -if you still have concerns and haven't had a period yet--i suggest you go to your doctor and ask for a blood test and also explain what happen to you when you did the hpt--a blood test is more accurate than a hpt--when you buy hpt you have to read when the hpt expired and when its best to used it..i've never used hpt before a missed period even with the 5 days advance hpt--always used hpt after a missed a period because your hcg will be high and easy to be pick up by hpt--i hope i help you--good luck
No. An hpt is 99% accurate when the is result is positive and roughly 50% when negative. The reason for this disparity between a false negative and false positive is in the early days of pregnancy, the hormone an HPT tests for maybe too low for a positive result. That is why the tests says it should not be taken sooner then four days before your expected period. The closer you are to your period, the more accurate the results. Once you missed your period, a negative and positive test are on par in terms of accuracy. For instance, if a test is negative a week after your expected period, chances are you are not pregnant. If you have not had your period for three months, you would have just ended your first tri-mester and therefore your hormones will would be at a very comfortably level of detection. Chances are you have not gotten your period because of stress, being over/underwieght, of changes in what you eat or your amount of excercise. There are a multitude of other explanations so go see your doctor to find out why.
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