You can usually find out if you’re pregnant about the time your period is due , and sometimes a bit earlier, depending on the type of test you use and how regular your cycle is. Most people get the most reliable result by testing on or after the first day of a missed period.

Quick Scoop

  • The pregnancy hormone (hCG) starts appearing in blood and urine around 7–10 days after conception, after the fertilized egg implants in the uterus.
  • Very sensitive home urine tests can sometimes show positive results as early as 6 days before your missed period, but they are less accurate that early.
  • For the most accurate home result, many doctors and clinics recommend waiting until the day your period is due or a few days after.

Home Pregnancy Tests: How Soon?

  • Some early-result tests may detect pregnancy about 8–10 days after conception, which is usually several days before your expected period.
  • Even with “early” tests, a negative result before your missed period does not fully rule out pregnancy; hCG might still be too low to detect, so retesting a few days later is advised if your period doesn’t come.
  • Testing with first-morning urine can improve accuracy because it is more concentrated and may have higher hCG levels.

Blood Tests: Earliest Detection

  • A blood pregnancy test at a clinic can pick up very low levels of hCG and may show pregnancy as early as about 6–8 days after ovulation (roughly a week after conception).
  • Blood tests are more sensitive and can sometimes detect pregnancy a few days before a urine test would turn positive, but they require a visit to a health provider and lab processing.

Early Signs Before Testing

  • Common early signs include a missed period, breast tenderness, mild cramping, nausea, and feeling unusually tired, but these can also be caused by other things like stress or illness.
  • Some people feel symptoms within 1–2 weeks after conception, while others have no noticeable symptoms until the period is clearly late or even later into the first trimester.

When To Get Medical Help

  • See or contact a doctor, midwife, or clinic promptly if you get a positive test, have very severe pain on one side of the abdomen, heavy bleeding, or feel faint or unwell, as these can be signs of complications like an ectopic pregnancy.
  • If your period is late, tests stay negative, and you feel unwell or are worried, a health professional can repeat testing, check your hormones, and rule out other causes.

Short TL;DR: You can sometimes find out about a week after conception with a blood test, about 8–10 days after with very sensitive home tests, but the clearest answer usually comes by testing on or after the first day of a missed period.

Information gathered from public forums or data available on the internet and portrayed here.