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You should repeat the test after a few more days as this test can be false negative initially.
there are many other causes of missing a period which include increased stress which can either be physican or emotional among many other causes
But first I think that you should wait for a few more days and repeat the urine test to be sure and then contact your doctor for a blood pregnancy test if the urine test is negative which are very accurate.
Reasons for missing a period include (common):thyroid problemsPhysical stressemotional stress
Yes you can still go tomorrow and have a blood test
Blood tests are very accurate and can rule in/rule out pregnancy.
I think they should.
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