A woman might get her period a few days after a positive pregnancy test and assume she had a false-positive result. However, it could be that she was pregnant but miscarried very early on. “It's not that the test is wrong—it was completely accurate at picking up the hormone [hCG]," Dr. Williams says.
Then, can you take a pregnancy test if you have implantation bleeding?
The urine pregnancy test (home pregnancy test or HPT) checks for the presence of the pregnancy hormone hCG in the urine. A urine pregnancy test is usually not positive until the time of a missed period which is about 3-4 days after implantation.
Can you take a pregnancy test when you have implantation bleeding?
It takes at least 2-3 days after implantation for there to be enough HCG in your system to be detected by the most sensitive test available, First Response Early Result. If you do test and it's negative, don't fret, just wait a couple more days and test again with the First Response Early Result.
Is it OK to get a blood test while on your period?
This is perfectly fine. Menstruation should not affect the results of your STD test at all. Taking a blood test while menstruating can cause additional lightheadedness and fatigue. If this discomfort bothers you, it may be better to wait until your period is complete before having testing performed.
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