16.01.2014

12 dpo bfn hpt can i still be pregnant

The purpose of this study is to look at the statistics of early negative pregnancy tests (Commonly called BFN - Big Fat Negative in the community) when later followed by a positive pregnancy test (BFP - Big fat Positive in the community lingo) in the same cycle. When seeing an early negative test result, most people wonder if they could still be pregnant and if they might test positive later on in the cycle. To explore the issue of the reliability of early pregnancy tests, we looked at just under 6000 charts for which a negative pregnancy test was followed by a positive test and did not result in a miscarriage. This histogram represents the frequency distribution of a first BFP (positive pregnancy test) when preceded by a BFN.


Not surprisingly, we have to wait for 14 DPO to see 80% of the positive tests accounted for.
It is also a reminder that if you can do so, you need to delay your testing as long as possible. The cumulative histogram is displayed below:By 11 DPO more than 80% of the negative have been accounted for. According to the community data, if you get a negative test beyond 11 DPO your chance of getting a BFP later on is significantly reduced.


In other words, if you get a negative (BFN) before 11 DPO (Days Past Ovulation) there is still a good chance that you could get a positive later on.



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Comments to «12 dpo bfn hpt can i still be pregnant»

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