Answer ( 1 )

  1. Hello Dear,

    Thank you for writing to us at MediMetry.

    It takes about two weeks from the time an embryo implants in the uterine wall to start emitting enough of the hormone hCG (human chorionic gonadotropin) to be detected by a blood test. This period of time is referred to as the two week wait. The blood test - officially called a beta hCG blood test - detects hCG and is the most accurate indication of pregnancy. Refrain from performing a home pregnancy test as they can render false results, either a false negative or false positive. A false positive result may be due to the fact that in many of infertility treatments, hCG, the same hormone that measures pregnancy, is given to “trigger” ovulation in many patients. Traces of the administered hCG may still be in your bloodstream and detectable by a test even if implantation has not occurred. A false negative might occur as a low level of hCG may be undetectable in a urine test despite a pregnancy starting as these are less sensitive than the blood hormone tests.

    Hope this answers your query. Feel free to write back to us with follow-up questions.
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