Pregnancy can typically be detected about 2 weeks after conception, though timing depends on the type of test used. Most home pregnancy tests detect hCG (human chorionic gonadotropin), a hormone produced after implantation. Since implantation usually occurs 6–12 days after conception, a home test may show a positive result around 12–14 days post-conception, though earlier detection is less reliable. Blood tests are more sensitive than urine tests and can detect hCG earlier, sometimes as soon as 8–10 days after conception. For the most accurate result, waiting until the first day of a missed period—typically 2–3 weeks after conception—is recommended, as hCG levels are higher and more detectable at that point. Testing too early may produce false negatives simply because hCG levels haven't risen high enough yet. Factors affecting detectability include individual hCG production rates, the sensitivity of the test, and the accuracy of conception dating. If you suspect pregnancy and get a negative result, retesting a few days later or consulting a healthcare provider can clarify the result.