A 31-year-old female asked:
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lmp was august 4th&i know i ovulated and concieved on aug 21 not the 18th like my calendar estimated.(aug 21 was only day we had unprotected sex) do you still go by lmp or conception? i got a positive pregnancy test aug 26 and line is getting darker

1 doctor answer
Dr. Robert Kwok
32 years experience Pediatrics
Don't sweat...: Don't sweat the small stuff, as the saying goes. In a normal couple with a natural pregnancy, none of this matters (don't overthink it). Reasons: it is unknown the exact day of ovulation (when egg pops out of ovary), it is impossible to know exactly when conception is (when egg meets sperm), Aug 18 and 21 are the "same day," and ok to start counting a pregnancy 2 weeks before estimated conception.
Answered on Sep 1, 2020
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