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Sudan
A 23-year-old female asked:

11 days since i've had sex my period was suppose to start three days ago instead i got implantation bleeding,blood test is negative,could i be pregnan?

1 doctor answer1 doctor weighed in
Dr. Gurmukh Singh
Pathology 49 years experience
May be too early to: tell. Conception, as defined by the generation of a fertilized ovum, occurs within day or so of the sex. However, it takes about two weeks for the embryo to make enough HCG to produce a positive pregnancy test. Blood test may be done a day after a missed period. Home pregnancy tests should be done 4-5 days after the missed period. You may wish to repeat the test in 4-5 days.

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Last updated Jun 2, 2014

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