A 33-year-old female asked:
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what's the absolute earliest implantation could occur? could it happen so that i could get a positive hpt 5 days after sex ?

1 doctor answer
Dr. Gurmukh Singh
48 years experience Pathology
No: 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. Use first morning urine and follow instructions for the test carefully.
Answered on Feb 1, 2015
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Related questions:

A 22-year-old female asked:
Dr. Gurmukh Singh
48 years experience Pathology
10-12 days: 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 ... Read More
A 22-year-old female asked:
Dr. Jeff Livingston
21 years experience Obstetrics and Gynecology
Missed period: If you miss your expected period then check a pregnancy test
A 43-year-old member asked:
Dr. Gerard Honore
28 years experience Fertility Medicine
No: Unless its a false positive; you cannot detect HCG at all until several days after implantation.
A 39-year-old member asked:
Dr. Seth Derman
32 years experience Fertility Medicine
Just before period: Not everyone gets implantation bleeding so this is not a reliable measure to use. Your pregnancy test should turn positive a day or two before the exp ... Read More

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